1232031132331 has 4 divisors (see below), whose sum is σ = 1247626463200. Its totient is φ = 1216435801464.

The previous prime is 1232031132329. The next prime is 1232031132337. The reversal of 1232031132331 is 1332311302321.

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 1232031132331 - 2¹ = 1232031132329 is a prime.

It is a super-2 number, since 2×1232031132331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232031132296 and 1232031132305.

It is not an unprimeable number, because it can be changed into a prime (1232031132337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7797665316 + ... + 7797665473.

It is an arithmetic number, because the mean of its divisors is an integer number (311906615800).

Almost surely, 2^{1232031132331} is an apocalyptic number.

1232031132331 is a deficient number, since it is larger than the sum of its proper divisors (15595330869).

1232031132331 is an equidigital number, since it uses as much as digits as its factorization.

1232031132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15595330868.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1232031132331 its reverse (1332311302321), we get a palindrome (2564342434652).

The spelling of 1232031132331 in words is "one trillion, two hundred thirty-two billion, thirty-one million, one hundred thirty-two thousand, three hundred thirty-one".