31001314332 has 12 divisors (see below), whose sum is σ = 72336400136. Its totient is φ = 10333771440.

The previous prime is 31001314321. The next prime is 31001314339. The reversal of 31001314332 is 23341310013.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×31001314332² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31001314299 and 31001314308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001314339) 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, 1291721419 + ... + 1291721442.

Almost surely, 2^31001314332 is an apocalyptic number.

It is an amenable number.

31001314332 is an abundant number, since it is smaller than the sum of its proper divisors (41335085804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31001314332 is a wasteful number, since it uses less digits than its factorization.

31001314332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583442868 (or 2583442866 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31001314332 its reverse (23341310013), we get a palindrome (54342624345).

The spelling of 31001314332 in words is "thirty-one billion, one million, three hundred fourteen thousand, three hundred thirty-two".