312353550220 has 96 divisors (see below), whose sum is σ = 692577220608. Its totient is φ = 118097160192.

The previous prime is 312353550211. The next prime is 312353550239. The reversal of 312353550220 is 22055353213.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23067292 + ... + 23080828.

It is an arithmetic number, because the mean of its divisors is an integer number (7214346048).

Almost surely, 2^312353550220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312353550220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346288610304).

312353550220 is an abundant number, since it is smaller than the sum of its proper divisors (380223670388).

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

312353550220 is a wasteful number, since it uses less digits than its factorization.

312353550220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159 (or 14157 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 312353550220 in words is "three hundred twelve billion, three hundred fifty-three million, five hundred fifty thousand, two hundred twenty".