31460031532 has 12 divisors (see below), whose sum is σ = 55093113040. Its totient is φ = 15719142096.

The previous prime is 31460031529. The next prime is 31460031539. The reversal of 31460031532 is 23513006413.

It is a self number, because there is not a number n which added to its sum of digits gives 31460031532.

It is not an unprimeable number, because it can be changed into a prime (31460031539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2711907 + ... + 2723482.

Almost surely, 2^31460031532 is an apocalyptic number.

It is an amenable number.

31460031532 is a deficient number, since it is larger than the sum of its proper divisors (23633081508).

31460031532 is a wasteful number, since it uses less digits than its factorization.

31460031532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436840 (or 5436838 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31460031532 its reverse (23513006413), we get a palindrome (54973037945).

The spelling of 31460031532 in words is "thirty-one billion, four hundred sixty million, thirty-one thousand, five hundred thirty-two".