312403234100 has 18 divisors (see below), whose sum is σ = 677915018214. Its totient is φ = 124961293600.

The previous prime is 312403234067. The next prime is 312403234123. The reversal of 312403234100 is 1432304213.

It can be written as a sum of positive squares in 3 ways, for example, as 293299876 + 312109934224 = 17126^2 + 558668^2 .

It is a super-2 number, since 2×312403234100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1562016071 + ... + 1562016270.

Almost surely, 2^312403234100 is an apocalyptic number.

It is an amenable number.

312403234100 is an abundant number, since it is smaller than the sum of its proper divisors (365511784114).

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

312403234100 is a wasteful number, since it uses less digits than its factorization.

312403234100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124032355 (or 3124032348 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 312403234100 its reverse (1432304213), we get a palindrome (313835538313).

The spelling of 312403234100 in words is "three hundred twelve billion, four hundred three million, two hundred thirty-four thousand, one hundred".