312330223100 has 72 divisors (see below), whose sum is σ = 774652398240. Its totient is φ = 107074494720.

The previous prime is 312330223099. The next prime is 312330223157. The reversal of 312330223100 is 1322033213.

It is a super-2 number, since 2×312330223100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14009162 + ... + 14031438.

Almost surely, 2^312330223100 is an apocalyptic number.

It is an amenable number.

312330223100 is an abundant number, since it is smaller than the sum of its proper divisors (462322175140).

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

312330223100 is a wasteful number, since it uses less digits than its factorization.

312330223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42327 (or 42320 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312330223100 its reverse (1322033213), we get a palindrome (313652256313).

The spelling of 312330223100 in words is "three hundred twelve billion, three hundred thirty million, two hundred twenty-three thousand, one hundred".