312130441131 has 4 divisors (see below), whose sum is σ = 416173921512. Its totient is φ = 208086960752.

The previous prime is 312130441037. The next prime is 312130441157. The reversal of 312130441131 is 131144031213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312130441131 - 2²¹ = 312128343979 is a prime.

It is a super-2 number, since 2×312130441131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312130441531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52021740186 + ... + 52021740191.

It is an arithmetic number, because the mean of its divisors is an integer number (104043480378).

Almost surely, 2^312130441131 is an apocalyptic number.

312130441131 is a deficient number, since it is larger than the sum of its proper divisors (104043480381).

312130441131 is a wasteful number, since it uses less digits than its factorization.

312130441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104043480380.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 312130441131 its reverse (131144031213), we get a palindrome (443274472344).

The spelling of 312130441131 in words is "three hundred twelve billion, one hundred thirty million, four hundred forty-one thousand, one hundred thirty-one".