312223400110100 has 36 divisors (see below), whose sum is σ = 684102688729824. Its totient is φ = 123676841981280.

The previous prime is 312223400110099. The next prime is 312223400110211. The reversal of 312223400110100 is 1011004322213.

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 11 ways as a sum of consecutive naturals, for example, 15156465434 + ... + 15156486033.

Almost surely, 2^{312223400110100} is an apocalyptic number.

It is an amenable number.

312223400110100 is an abundant number, since it is smaller than the sum of its proper divisors (371879288619724).

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

312223400110100 is a wasteful number, since it uses less digits than its factorization.

312223400110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30312951584 (or 30312951577 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312223400110100 its reverse (1011004322213), we get a palindrome (313234404432313).

The spelling of 312223400110100 in words is "three hundred twelve trillion, two hundred twenty-three billion, four hundred million, one hundred ten thousand, one hundred".