31621460410052 has 12 divisors (see below), whose sum is σ = 55338080670096. Its totient is φ = 15810580218600.

The previous prime is 31621460410051. The next prime is 31621460410081. The reversal of 31621460410052 is 25001406412613.

It is a junction number, because it is equal to n+sod(n) for n = 31621460409994 and 31621460410021.

It is not an unprimeable number, because it can be changed into a prime (31621460410051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37021574 + ... + 37866077.

It is an arithmetic number, because the mean of its divisors is an integer number (4611506722508).

Almost surely, 2^{31621460410052} is an apocalyptic number.

It is an amenable number.

31621460410052 is a deficient number, since it is larger than the sum of its proper divisors (23716620260044).

31621460410052 is a wasteful number, since it uses less digits than its factorization.

31621460410052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74993218 (or 74993216 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 31621460410052 its reverse (25001406412613), we get a palindrome (56622866822665).

The spelling of 31621460410052 in words is "thirty-one trillion, six hundred twenty-one billion, four hundred sixty million, four hundred ten thousand, fifty-two".