312213013300 has 18 divisors (see below), whose sum is σ = 677502239078. Its totient is φ = 124885205280.

The previous prime is 312213013291. The next prime is 312213013331. The reversal of 312213013300 is 3310312213.

It can be written as a sum of positive squares in 3 ways, for example, as 83750044816 + 228462968484 = 289396^2 + 477978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1561064967 + ... + 1561065166.

Almost surely, 2^312213013300 is an apocalyptic number.

It is an amenable number.

312213013300 is an abundant number, since it is smaller than the sum of its proper divisors (365289225778).

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

312213013300 is a wasteful number, since it uses less digits than its factorization.

312213013300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122130147 (or 3122130140 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312213013300 its reverse (3310312213), we get a palindrome (315523325513).

The spelling of 312213013300 in words is "three hundred twelve billion, two hundred thirteen million, thirteen thousand, three hundred".