312421420140031 has 32 divisors (see below), whose sum is σ = 336478491806400. Its totient is φ = 289173400289280.

The previous prime is 312421420139981. The next prime is 312421420140073. The reversal of 312421420140031 is 130041024124213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312421420140031 - 2⁹ = 312421420139519 is a prime.

It is a super-2 number, since 2×312421420140031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312421420141031) 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, 835475041 + ... + 835848901.

It is an arithmetic number, because the mean of its divisors is an integer number (10514952868950).

Almost surely, 2^{312421420140031} is an apocalyptic number.

312421420140031 is a deficient number, since it is larger than the sum of its proper divisors (24057071666369).

312421420140031 is a wasteful number, since it uses less digits than its factorization.

312421420140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377419.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 312421420140031 its reverse (130041024124213), we get a palindrome (442462444264244).

The spelling of 312421420140031 in words is "three hundred twelve trillion, four hundred twenty-one billion, four hundred twenty million, one hundred forty thousand, thirty-one".