312000112031 has 4 divisors (see below), whose sum is σ = 312004738752. Its totient is φ = 311995485312.

The previous prime is 312000112027. The next prime is 312000112043. The reversal of 312000112031 is 130211000213.

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 312000112031 - 2² = 312000112027 is a prime.

It is a super-2 number, since 2×312000112031² (a number of 24 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 = 312000111997 and 312000112015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000112531) 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, 2210690 + ... + 2347583.

It is an arithmetic number, because the mean of its divisors is an integer number (78001184688).

Almost surely, 2^312000112031 is an apocalyptic number.

312000112031 is a deficient number, since it is larger than the sum of its proper divisors (4626721).

312000112031 is an equidigital number, since it uses as much as digits as its factorization.

312000112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626720.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 312000112031 its reverse (130211000213), we get a palindrome (442211112244).

The spelling of 312000112031 in words is "three hundred twelve billion, one hundred twelve thousand, thirty-one".