3131213322201 has 32 divisors (see below), whose sum is σ = 4465127794176. Its totient is φ = 1944871680000.

The previous prime is 3131213322163. The next prime is 3131213322299. The reversal of 3131213322201 is 1022233121313.

It is not a de Polignac number, because 3131213322201 - 2⁶ = 3131213322137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3131213322301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29364141 + ... + 29470581.

It is an arithmetic number, because the mean of its divisors is an integer number (139535243568).

Almost surely, 2^{3131213322201} is an apocalyptic number.

It is an amenable number.

3131213322201 is a deficient number, since it is larger than the sum of its proper divisors (1333914471975).

3131213322201 is a wasteful number, since it uses less digits than its factorization.

3131213322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112273.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3131213322201 its reverse (1022233121313), we get a palindrome (4153446443514).

The spelling of 3131213322201 in words is "three trillion, one hundred thirty-one billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred one".