3131312030201 has 4 divisors (see below), whose sum is σ = 3139574067600. Its totient is φ = 3123049992804.

The previous prime is 3131312030173. The next prime is 3131312030237. The reversal of 3131312030201 is 1020302131313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131312030201 is a prime.

It is a super-2 number, since 2×3131312030201² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131312030801) 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, 4131018131 + ... + 4131018888.

It is an arithmetic number, because the mean of its divisors is an integer number (784893516900).

Almost surely, 2^{3131312030201} is an apocalyptic number.

It is an amenable number.

3131312030201 is a deficient number, since it is larger than the sum of its proper divisors (8262037399).

3131312030201 is an equidigital number, since it uses as much as digits as its factorization.

3131312030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262037398.

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

Adding to 3131312030201 its reverse (1020302131313), we get a palindrome (4151614161514).

The spelling of 3131312030201 in words is "three trillion, one hundred thirty-one billion, three hundred twelve million, thirty thousand, two hundred one".