31425436232 has 64 divisors (see below), whose sum is σ = 62548200000. Its totient is φ = 14760264960.

The previous prime is 31425436169. The next prime is 31425436271. The reversal of 31425436232 is 23263452413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31425436192 and 31425436201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21990494 + ... + 21991922.

It is an arithmetic number, because the mean of its divisors is an integer number (977315625).

Almost surely, 2^31425436232 is an apocalyptic number.

It is an amenable number.

31425436232 is a deficient number, since it is larger than the sum of its proper divisors (31122763768).

31425436232 is a wasteful number, since it uses less digits than its factorization.

31425436232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2570 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

Adding to 31425436232 its reverse (23263452413), we get a palindrome (54688888645).

The spelling of 31425436232 in words is "thirty-one billion, four hundred twenty-five million, four hundred thirty-six thousand, two hundred thirty-two".