31210010013132 has 36 divisors (see below), whose sum is σ = 80185280740656. Its totient is φ = 10232790167520.

The previous prime is 31210010013131. The next prime is 31210010013163. The reversal of 31210010013132 is 23131001001213.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (31210010013131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7106102088 + ... + 7106106479.

Almost surely, 2^{31210010013132} is an apocalyptic number.

It is an amenable number.

31210010013132 is an abundant number, since it is smaller than the sum of its proper divisors (48975270727524).

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

31210010013132 is a wasteful number, since it uses less digits than its factorization.

31210010013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14212208638 (or 14212208633 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31210010013132 its reverse (23131001001213), we get a palindrome (54341011014345).

The spelling of 31210010013132 in words is "thirty-one trillion, two hundred ten billion, ten million, thirteen thousand, one hundred thirty-two".