31113203001 has 16 divisors (see below), whose sum is σ = 42949828800. Its totient is φ = 20010525248.

The previous prime is 31113202951. The next prime is 31113203113. The reversal of 31113203001 is 10030231113.

It is a de Polignac number, because none of the positive numbers 2^k-31113203001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31113703001) 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 15 ways as a sum of consecutive naturals, for example, 38571 + ... + 252416.

It is an arithmetic number, because the mean of its divisors is an integer number (2684364300).

Almost surely, 2^31113203001 is an apocalyptic number.

It is an amenable number.

31113203001 is a deficient number, since it is larger than the sum of its proper divisors (11836625799).

31113203001 is a wasteful number, since it uses less digits than its factorization.

31113203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292248.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31113203001 its reverse (10030231113), we get a palindrome (41143434114).

The spelling of 31113203001 in words is "thirty-one billion, one hundred thirteen million, two hundred three thousand, one".