312443310130020 has 120 divisors (see below), whose sum is σ = 981451361159808. Its totient is φ = 83207272680000.

The previous prime is 312443310129949. The next prime is 312443310130097. The reversal of 312443310130020 is 20031013344213.

It is a happy number.

312443310130020 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 4 + 331 + 0 + 1 + 300 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 127189666 + ... + 129622905.

Almost surely, 2^{312443310130020} is an apocalyptic number.

312443310130020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312443310130020 is an abundant number, since it is smaller than the sum of its proper divisors (669008051029788).

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

312443310130020 is a wasteful number, since it uses less digits than its factorization.

312443310130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256813343 (or 256813332 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 312443310130020 its reverse (20031013344213), we get a palindrome (332474323474233).

The spelling of 312443310130020 in words is "three hundred twelve trillion, four hundred forty-three billion, three hundred ten million, one hundred thirty thousand, twenty".