31406036232 has 32 divisors (see below), whose sum is σ = 83133626400. Its totient is φ = 9852873984.

The previous prime is 31406036231. The next prime is 31406036303. The reversal of 31406036232 is 23263060413.

It is a super-2 number, since 2×31406036232² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31406036232.

It is not an unprimeable number, because it can be changed into a prime (31406036231) 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 7 ways as a sum of consecutive naturals, for example, 38487382 + ... + 38488197.

It is an arithmetic number, because the mean of its divisors is an integer number (2597925825).

Almost surely, 2^31406036232 is an apocalyptic number.

It is an amenable number.

31406036232 is an abundant number, since it is smaller than the sum of its proper divisors (51727590168).

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

31406036232 is a wasteful number, since it uses less digits than its factorization.

31406036232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76975605 (or 76975601 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 31406036232 its reverse (23263060413), we get a palindrome (54669096645).

The spelling of 31406036232 in words is "thirty-one billion, four hundred six million, thirty-six thousand, two hundred thirty-two".