31002331132 has 12 divisors (see below), whose sum is σ = 55277741736. Its totient is φ = 15208690640.

The previous prime is 31002331127. The next prime is 31002331147. The reversal of 31002331132 is 23113320013.

It is a super-2 number, since 2×31002331132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73118494 + ... + 73118917.

It is an arithmetic number, because the mean of its divisors is an integer number (4606478478).

Almost surely, 2^31002331132 is an apocalyptic number.

It is an amenable number.

31002331132 is a deficient number, since it is larger than the sum of its proper divisors (24275410604).

31002331132 is a wasteful number, since it uses less digits than its factorization.

31002331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146237468 (or 146237466 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31002331132 its reverse (23113320013), we get a palindrome (54115651145).

The spelling of 31002331132 in words is "thirty-one billion, two million, three hundred thirty-one thousand, one hundred thirty-two".