313131131340110 has 16 divisors (see below), whose sum is σ = 566497133047296. Its totient is φ = 124616653283808.

The previous prime is 313131131340077. The next prime is 313131131340119. The reversal of 313131131340110 is 11043131131313.

It is a happy number.

It is a super-2 number, since 2×313131131340110² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313131131340110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313131131340119) 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, 79474904462 + ... + 79474908401.

It is an arithmetic number, because the mean of its divisors is an integer number (35406070815456).

Almost surely, 2^{313131131340110} is an apocalyptic number.

313131131340110 is a deficient number, since it is larger than the sum of its proper divisors (253366001707186).

313131131340110 is a wasteful number, since it uses less digits than its factorization.

313131131340110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158949813067.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 313131131340110 its reverse (11043131131313), we get a palindrome (324174262471423).

The spelling of 313131131340110 in words is "three hundred thirteen trillion, one hundred thirty-one billion, one hundred thirty-one million, three hundred forty thousand, one hundred ten".