312142224131331 has 32 divisors (see below), whose sum is σ = 482560289468928. Its totient is φ = 177372047869440.

The previous prime is 312142224131299. The next prime is 312142224131369. The reversal of 312142224131331 is 133131422241213.

It is not a de Polignac number, because 312142224131331 - 2⁵ = 312142224131299 is a prime.

It is a super-2 number, since 2×312142224131331² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 312142224131292 and 312142224131301.

It is not an unprimeable number, because it can be changed into a prime (312142224171331) 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, 1057653316 + ... + 1057948401.

It is an arithmetic number, because the mean of its divisors is an integer number (15080009045904).

Almost surely, 2^{312142224131331} is an apocalyptic number.

312142224131331 is a deficient number, since it is larger than the sum of its proper divisors (170418065337597).

312142224131331 is a wasteful number, since it uses less digits than its factorization.

312142224131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115602011.

The product of its digits is 20736, while the sum is 33.

Adding to 312142224131331 its reverse (133131422241213), we get a palindrome (445273646372544).

The spelling of 312142224131331 in words is "three hundred twelve trillion, one hundred forty-two billion, two hundred twenty-four million, one hundred thirty-one thousand, three hundred thirty-one".