131213012131 has 8 divisors (see below), whose sum is σ = 132468571584. Its totient is φ = 129957994920.

The previous prime is 131213012107. The next prime is 131213012173. The reversal of 131213012131 is 131210312131.

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 131213012131 - 2⁷ = 131213012003 is a prime.

It is a super-2 number, since 2×131213012131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131213012099 and 131213012108.

It is not an unprimeable number, because it can be changed into a prime (131213012191) 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, 359316 + ... + 625726.

It is an arithmetic number, because the mean of its divisors is an integer number (16558571448).

Almost surely, 2^131213012131 is an apocalyptic number.

131213012131 is a deficient number, since it is larger than the sum of its proper divisors (1255559453).

131213012131 is a wasteful number, since it uses less digits than its factorization.

131213012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271121.

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

Adding to 131213012131 its reverse (131210312131), we get a palindrome (262423324262).

The spelling of 131213012131 in words is "one hundred thirty-one billion, two hundred thirteen million, twelve thousand, one hundred thirty-one".