1031401442 has 4 divisors (see below), whose sum is σ = 1547102166. Its totient is φ = 515700720.

The previous prime is 1031401433. The next prime is 1031401477. The reversal of 1031401442 is 2441041301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441041301 = 229 ⋅10659569.

It can be written as a sum of positive squares in only one way, i.e., 830073721 + 201327721 = 28811^2 + 14189^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257850359 + ... + 257850362.

Almost surely, 2^1031401442 is an apocalyptic number.

1031401442 is a deficient number, since it is larger than the sum of its proper divisors (515700724).

1031401442 is an equidigital number, since it uses as much as digits as its factorization.

1031401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515700723.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1031401442 is about 32115.4393088433. The cubic root of 1031401442 is about 1010.3594583689.

Adding to 1031401442 its reverse (2441041301), we get a palindrome (3472442743).

The spelling of 1031401442 in words is "one billion, thirty-one million, four hundred one thousand, four hundred forty-two".