312333301211431 has 2 divisors, whose sum is σ = 312333301211432. Its totient is φ = 312333301211430.

The previous prime is 312333301211389. The next prime is 312333301211531. The reversal of 312333301211431 is 134112103333213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312333301211431 - 2²⁷ = 312333166993703 is a prime.

It is a super-2 number, since 2×312333301211431² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312333301211393 and 312333301211402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312333301211531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156166650605715 + 156166650605716.

It is an arithmetic number, because the mean of its divisors is an integer number (156166650605716).

Almost surely, 2^{312333301211431} is an apocalyptic number.

312333301211431 is a deficient number, since it is larger than the sum of its proper divisors (1).

312333301211431 is an equidigital number, since it uses as much as digits as its factorization.

312333301211431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 312333301211431 its reverse (134112103333213), we get a palindrome (446445404544644).

The spelling of 312333301211431 in words is "three hundred twelve trillion, three hundred thirty-three billion, three hundred one million, two hundred eleven thousand, four hundred thirty-one".