2141403431 has 4 divisors (see below), whose sum is σ = 2234507952. Its totient is φ = 2048298912.

The previous prime is 2141403409. The next prime is 2141403437. The reversal of 2141403431 is 1343041412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2141403431 - 2¹⁴ = 2141387047 is a prime.

It is a super-2 number, since 2×2141403431² = 9171217308597143522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 93104497 = 2141403431 / (2 + 1 + 4 + 1 + 4 + 0 + 3 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141403397 and 2141403406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141403437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46552226 + ... + 46552271.

It is an arithmetic number, because the mean of its divisors is an integer number (558626988).

Almost surely, 2^2141403431 is an apocalyptic number.

2141403431 is a deficient number, since it is larger than the sum of its proper divisors (93104521).

2141403431 is an equidigital number, since it uses as much as digits as its factorization.

2141403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93104520.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2141403431 is about 46275.3004420285. The cubic root of 2141403431 is about 1288.9403855980.

Adding to 2141403431 its reverse (1343041412), we get a palindrome (3484444843).

The spelling of 2141403431 in words is "two billion, one hundred forty-one million, four hundred three thousand, four hundred thirty-one".