312100131431 has 8 divisors (see below), whose sum is σ = 342183792000. Its totient is φ = 282301624440.

The previous prime is 312100131397. The next prime is 312100131443. The reversal of 312100131431 is 134131001213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312100131431 - 2³⁰ = 311026389607 is a prime.

It is a super-2 number, since 2×312100131431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312100131451) 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, 71286101 + ... + 71290478.

It is an arithmetic number, because the mean of its divisors is an integer number (42772974000).

Almost surely, 2^312100131431 is an apocalyptic number.

312100131431 is a deficient number, since it is larger than the sum of its proper divisors (30083660569).

312100131431 is a wasteful number, since it uses less digits than its factorization.

312100131431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142576789.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312100131431 its reverse (134131001213), we get a palindrome (446231132644).

The spelling of 312100131431 in words is "three hundred twelve billion, one hundred million, one hundred thirty-one thousand, four hundred thirty-one".