312001451111031 has 32 divisors (see below), whose sum is σ = 480522542572800. Its totient is φ = 177966172270080.

The previous prime is 312001451111003. The next prime is 312001451111059. The reversal of 312001451111031 is 130111154100213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312001451111003) and next prime (312001451111059).

It is not a de Polignac number, because 312001451111031 - 2⁶ = 312001451110967 is a prime.

It is a super-2 number, since 2×312001451111031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312001451110992 and 312001451111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312001451111081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35210365 + ... + 43171433.

It is an arithmetic number, because the mean of its divisors is an integer number (15016329455400).

Almost surely, 2^{312001451111031} is an apocalyptic number.

312001451111031 is a deficient number, since it is larger than the sum of its proper divisors (168521091461769).

312001451111031 is a wasteful number, since it uses less digits than its factorization.

312001451111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030959.

The product of its (nonzero) digits is 360, while the sum is 24.

The spelling of 312001451111031 in words is "three hundred twelve trillion, one billion, four hundred fifty-one million, one hundred eleven thousand, thirty-one".