31020010322232 has 16 divisors (see below), whose sum is σ = 77550025805640. Its totient is φ = 10340003440736.

The previous prime is 31020010322173. The next prime is 31020010322251. The reversal of 31020010322232 is 23222301002013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31020010322199 and 31020010322208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646250215023 + ... + 646250215070.

Almost surely, 2^{31020010322232} is an apocalyptic number.

It is an amenable number.

31020010322232 is an abundant number, since it is smaller than the sum of its proper divisors (46530015483408).

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

31020010322232 is a wasteful number, since it uses less digits than its factorization.

31020010322232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292500430102 (or 1292500430098 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31020010322232 its reverse (23222301002013), we get a palindrome (54242311324245).

The spelling of 31020010322232 in words is "thirty-one trillion, twenty billion, ten million, three hundred twenty-two thousand, two hundred thirty-two".