312103003010020 has 24 divisors (see below), whose sum is σ = 693970206693624. Its totient is φ = 117497601133056.

The previous prime is 312103003010011. The next prime is 312103003010069. The reversal of 312103003010020 is 20010300301213.

It can be written as a sum of positive squares in 4 ways, for example, as 4361381145664 + 307741621864356 = 2088392^2 + 17542566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312103003009976 and 312103003010003.

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, 458975004087 + ... + 458975004766.

It is an arithmetic number, because the mean of its divisors is an integer number (28915425278901).

Almost surely, 2^{312103003010020} is an apocalyptic number.

It is an amenable number.

312103003010020 is an abundant number, since it is smaller than the sum of its proper divisors (381867203683604).

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

312103003010020 is a wasteful number, since it uses less digits than its factorization.

312103003010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917950008879 (or 917950008877 counting only the distinct ones).

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

Adding to 312103003010020 its reverse (20010300301213), we get a palindrome (332113303311233).

The spelling of 312103003010020 in words is "three hundred twelve trillion, one hundred three billion, three million, ten thousand, twenty".