1332400231 has 4 divisors (see below), whose sum is σ = 1357539912. Its totient is φ = 1307260552.

The previous prime is 1332400219. The next prime is 1332400253. The reversal of 1332400231 is 1320042331.

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 1332400231 - 2¹¹ = 1332398183 is a prime.

It is a super-2 number, since 2×1332400231² = 3550580751137706722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332400199 and 1332400208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332400031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12569761 + ... + 12569866.

It is an arithmetic number, because the mean of its divisors is an integer number (339384978).

Almost surely, 2^1332400231 is an apocalyptic number.

1332400231 is a deficient number, since it is larger than the sum of its proper divisors (25139681).

1332400231 is an equidigital number, since it uses as much as digits as its factorization.

1332400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25139680.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1332400231 is about 36502.0579008910. The cubic root of 1332400231 is about 1100.3856033790.

Adding to 1332400231 its reverse (1320042331), we get a palindrome (2652442562).

The spelling of 1332400231 in words is "one billion, three hundred thirty-two million, four hundred thousand, two hundred thirty-one".