31112302001 has 16 divisors (see below), whose sum is σ = 36557917440. Its totient is φ = 26172130320.

The previous prime is 31112301991. The next prime is 31112302019. The reversal of 31112302001 is 10020321113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31112302001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31112302601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721975 + ... + 1739948.

It is an arithmetic number, because the mean of its divisors is an integer number (2284869840).

Almost surely, 2^31112302001 is an apocalyptic number.

It is an amenable number.

31112302001 is a deficient number, since it is larger than the sum of its proper divisors (5445615439).

31112302001 is a wasteful number, since it uses less digits than its factorization.

31112302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461996.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31112302001 its reverse (10020321113), we get a palindrome (41132623114).

The spelling of 31112302001 in words is "thirty-one billion, one hundred twelve million, three hundred two thousand, one".