31312100203013 has 8 divisors (see below), whose sum is σ = 35823286348800. Its totient is φ = 26810421300720.

The previous prime is 31312100202991. The next prime is 31312100203031. The reversal of 31312100203013 is 31030200121313.

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

It is a cyclic number.

It is not a de Polignac number, because 31312100203013 - 2³⁰ = 31311026461189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312100203213) 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, 2376803813 + ... + 2376816986.

It is an arithmetic number, because the mean of its divisors is an integer number (4477910793600).

Almost surely, 2^{31312100203013} is an apocalyptic number.

It is an amenable number.

31312100203013 is a deficient number, since it is larger than the sum of its proper divisors (4511186145787).

31312100203013 is an equidigital number, since it uses as much as digits as its factorization.

31312100203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753621747.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31312100203013 its reverse (31030200121313), we get a palindrome (62342300324326).

The spelling of 31312100203013 in words is "thirty-one trillion, three hundred twelve billion, one hundred million, two hundred three thousand, thirteen".