312001140431020 has 48 divisors (see below), whose sum is σ = 670441997221920. Its totient is φ = 121897695015936.

The previous prime is 312001140431017. The next prime is 312001140431089. The reversal of 312001140431020 is 20134041100213.

It is a super-2 number, since 2×312001140431020² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312001140430982 and 312001140431000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377737204 + ... + 378562276.

It is an arithmetic number, because the mean of its divisors is an integer number (13967541608790).

Almost surely, 2^{312001140431020} is an apocalyptic number.

It is an amenable number.

312001140431020 is an abundant number, since it is smaller than the sum of its proper divisors (358440856790900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312001140431020 is a wasteful number, since it uses less digits than its factorization.

312001140431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264834 (or 1264832 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 312001140431020 its reverse (20134041100213), we get a palindrome (332135181531233).

The spelling of 312001140431020 in words is "three hundred twelve trillion, one billion, one hundred forty million, four hundred thirty-one thousand, twenty".