312029313100 has 36 divisors (see below), whose sum is σ = 677142413584. Its totient is φ = 124804572480.

The previous prime is 312029313083. The next prime is 312029313107. The reversal of 312029313100 is 1313920213.

It is a super-2 number, since 2×312029313100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (312029313107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1880089 + ... + 2039311.

Almost surely, 2^312029313100 is an apocalyptic number.

It is an amenable number.

312029313100 is an abundant number, since it is smaller than the sum of its proper divisors (365113100484).

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

312029313100 is a wasteful number, since it uses less digits than its factorization.

312029313100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178834 (or 178827 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 312029313100 in words is "three hundred twelve billion, twenty-nine million, three hundred thirteen thousand, one hundred".