312031001043 has 12 divisors (see below), whose sum is σ = 460301051808. Its totient is φ = 203594695440.

The previous prime is 312031001041. The next prime is 312031001057. The reversal of 312031001043 is 340100130213.

312031001043 is a `hidden beast` number, since 312 + 0 + 310 + 0 + 1 + 0 + 43 = 666.

It is not a de Polignac number, because 312031001043 - 2¹ = 312031001041 is a prime.

It is a super-2 number, since 2×312031001043² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312031001041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368830548 + ... + 368831393.

It is an arithmetic number, because the mean of its divisors is an integer number (38358420984).

Almost surely, 2^312031001043 is an apocalyptic number.

312031001043 is a deficient number, since it is larger than the sum of its proper divisors (148270050765).

312031001043 is a wasteful number, since it uses less digits than its factorization.

312031001043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737661994 (or 737661991 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 312031001043 its reverse (340100130213), we get a palindrome (652131131256).

The spelling of 312031001043 in words is "three hundred twelve billion, thirty-one million, one thousand, forty-three".