31243014032 has 10 divisors (see below), whose sum is σ = 60533339718. Its totient is φ = 15621507008.

The previous prime is 31243014017. The next prime is 31243014041. The reversal of 31243014032 is 23041034213.

It can be written as a sum of positive squares in only one way, i.e., 31111315456 + 131698576 = 176384^2 + 11476^2 .

It is a super-2 number, since 2×31243014032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31243013989 and 31243014007.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 976344173 + ... + 976344204.

Almost surely, 2^31243014032 is an apocalyptic number.

It is an amenable number.

31243014032 is a deficient number, since it is larger than the sum of its proper divisors (29290325686).

31243014032 is a wasteful number, since it uses less digits than its factorization.

31243014032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952688385 (or 1952688379 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31243014032 its reverse (23041034213), we get a palindrome (54284048245).

The spelling of 31243014032 in words is "thirty-one billion, two hundred forty-three million, fourteen thousand, thirty-two".