131231133313131 has 8 divisors (see below), whose sum is σ = 182582446348800. Its totient is φ = 83683621243112.

The previous prime is 131231133313123. The next prime is 131231133313157. The reversal of 131231133313131 is 131313331132131.

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 131231133313131 - 2³ = 131231133313123 is a prime.

It is a super-2 number, since 2×131231133313131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131231133317131) 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, 950950241331 + ... + 950950241468.

It is an arithmetic number, because the mean of its divisors is an integer number (22822805793600).

Almost surely, 2^{131231133313131} is an apocalyptic number.

131231133313131 is a deficient number, since it is larger than the sum of its proper divisors (51351313035669).

131231133313131 is a wasteful number, since it uses less digits than its factorization.

131231133313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901900482825.

The product of its digits is 4374, while the sum is 30.

Adding to 131231133313131 its reverse (131313331132131), we get a palindrome (262544464445262).

The spelling of 131231133313131 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred thirty-one".