312030113020 has 24 divisors (see below), whose sum is σ = 655321280544. Its totient is φ = 124800989376.

The previous prime is 312030113009. The next prime is 312030113047. The reversal of 312030113020 is 20311030213.

It is a junction number, because it is equal to n+sod(n) for n = 312030112985 and 312030113003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457639 + ... + 912958.

It is an arithmetic number, because the mean of its divisors is an integer number (27305053356).

Almost surely, 2^312030113020 is an apocalyptic number.

It is an amenable number.

312030113020 is an abundant number, since it is smaller than the sum of its proper divisors (343291167524).

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

312030113020 is a wasteful number, since it uses less digits than its factorization.

312030113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381989 (or 1381987 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 312030113020 its reverse (20311030213), we get a palindrome (332341143233).

The spelling of 312030113020 in words is "three hundred twelve billion, thirty million, one hundred thirteen thousand, twenty".