31001130232 has 16 divisors (see below), whose sum is σ = 61546361760. Its totient is φ = 14588767104.

The previous prime is 31001130197. The next prime is 31001130233. The reversal of 31001130232 is 23203110013.

It is a super-2 number, since 2×31001130232² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001130233) 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, 113974608 + ... + 113974879.

It is an arithmetic number, because the mean of its divisors is an integer number (3846647610).

Almost surely, 2^31001130232 is an apocalyptic number.

It is an amenable number.

31001130232 is a deficient number, since it is larger than the sum of its proper divisors (30545231528).

31001130232 is a wasteful number, since it uses less digits than its factorization.

31001130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227949510 (or 227949506 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31001130232 its reverse (23203110013), we get a palindrome (54204240245).

The spelling of 31001130232 in words is "thirty-one billion, one million, one hundred thirty thousand, two hundred thirty-two".