131211012313 has 32 divisors (see below), whose sum is σ = 139097452032. Its totient is φ = 123621120000.

The previous prime is 131211012241. The next prime is 131211012347. The reversal of 131211012313 is 313210112131.

It is a cyclic number.

It is not a de Polignac number, because 131211012313 - 2⁹ = 131211011801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131211012013) 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, 149613031 + ... + 149613907.

It is an arithmetic number, because the mean of its divisors is an integer number (4346795376).

Almost surely, 2^131211012313 is an apocalyptic number.

It is an amenable number.

131211012313 is a deficient number, since it is larger than the sum of its proper divisors (7886439719).

131211012313 is a wasteful number, since it uses less digits than its factorization.

131211012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131211012313 its reverse (313210112131), we get a palindrome (444421124444).

The spelling of 131211012313 in words is "one hundred thirty-one billion, two hundred eleven million, twelve thousand, three hundred thirteen".