312021430130431 has 8 divisors (see below), whose sum is σ = 356601665613824. Its totient is φ = 267442631013240.

The previous prime is 312021430130413. The next prime is 312021430130503. The reversal of 312021430130431 is 134031034120213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312021430130431 - 2¹⁹ = 312021429606143 is a prime.

It is a super-2 number, since 2×312021430130431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312021430130431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312021430130131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358626015 + ... + 359495008.

It is an arithmetic number, because the mean of its divisors is an integer number (44575208201728).

Almost surely, 2^{312021430130431} is an apocalyptic number.

312021430130431 is a deficient number, since it is larger than the sum of its proper divisors (44580235483393).

312021430130431 is an equidigital number, since it uses as much as digits as its factorization.

312021430130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718183101.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312021430130431 its reverse (134031034120213), we get a palindrome (446052464250644).

The spelling of 312021430130431 in words is "three hundred twelve trillion, twenty-one billion, four hundred thirty million, one hundred thirty thousand, four hundred thirty-one".