31646352153064 has 32 divisors (see below), whose sum is σ = 64740608000640. Its totient is φ = 14382609270400.

The previous prime is 31646352153061. The next prime is 31646352153103. The reversal of 31646352153064 is 46035125364613.

It is a junction number, because it is equal to n+sod(n) for n = 31646352152999 and 31646352153017.

It is not an unprimeable number, because it can be changed into a prime (31646352153061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25595797 + ... + 26803684.

It is an arithmetic number, because the mean of its divisors is an integer number (2023144000020).

Almost surely, 2^{31646352153064} is an apocalyptic number.

It is an amenable number.

31646352153064 is an abundant number, since it is smaller than the sum of its proper divisors (33094255847576).

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

31646352153064 is a wasteful number, since it uses less digits than its factorization.

31646352153064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52406361 (or 52406357 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 31646352153064 in words is "thirty-one trillion, six hundred forty-six billion, three hundred fifty-two million, one hundred fifty-three thousand, sixty-four".