31013132211002 has 8 divisors (see below), whose sum is σ = 47601551765856. Its totient is φ = 15145948289052.

The previous prime is 31013132211001. The next prime is 31013132211067. The reversal of 31013132211002 is 20011223131013.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31013132211001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180308908118 + ... + 180308908289.

It is an arithmetic number, because the mean of its divisors is an integer number (5950193970732).

Almost surely, 2^{31013132211002} is an apocalyptic number.

31013132211002 is a deficient number, since it is larger than the sum of its proper divisors (16588419554854).

31013132211002 is a wasteful number, since it uses less digits than its factorization.

31013132211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360617816452.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31013132211002 its reverse (20011223131013), we get a palindrome (51024355342015).

The spelling of 31013132211002 in words is "thirty-one trillion, thirteen billion, one hundred thirty-two million, two hundred eleven thousand, two".