11312132131 has 8 divisors (see below), whose sum is σ = 11547345744. Its totient is φ = 11078870880.

The previous prime is 11312132123. The next prime is 11312132179. The reversal of 11312132131 is 13123121311.

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 11312132131 - 2³ = 11312132123 is a prime.

It is a super-2 number, since 2×11312132131² (a number of 21 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 = 11312132099 and 11312132108.

It is not an unprimeable number, because it can be changed into a prime (11312132191) 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, 476380 + ... + 499561.

It is an arithmetic number, because the mean of its divisors is an integer number (1443418218).

Almost surely, 2^11312132131 is an apocalyptic number.

11312132131 is a deficient number, since it is larger than the sum of its proper divisors (235213613).

11312132131 is an equidigital number, since it uses as much as digits as its factorization.

11312132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976181.

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

Adding to 11312132131 its reverse (13123121311), we get a palindrome (24435253442).

The spelling of 11312132131 in words is "eleven billion, three hundred twelve million, one hundred thirty-two thousand, one hundred thirty-one".