312102311022 has 48 divisors (see below), whose sum is σ = 680891028480. Its totient is φ = 103316130000.

The previous prime is 312102311021. The next prime is 312102311023. The reversal of 312102311022 is 220113201213.

It is an interprime number because it is at equal distance from previous prime (312102311021) and next prime (312102311023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 312102310986 and 312102311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312102311021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11072647 + ... + 11100797.

It is an arithmetic number, because the mean of its divisors is an integer number (14185229760).

Almost surely, 2^312102311022 is an apocalyptic number.

312102311022 is an abundant number, since it is smaller than the sum of its proper divisors (368788717458).

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

312102311022 is a wasteful number, since it uses less digits than its factorization.

312102311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32389 (or 32386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 312102311022 its reverse (220113201213), we get a palindrome (532215512235).

The spelling of 312102311022 in words is "three hundred twelve billion, one hundred two million, three hundred eleven thousand, twenty-two".