312302231032 has 64 divisors (see below), whose sum is σ = 674453750400. Its totient is φ = 134077680000.

The previous prime is 312302231023. The next prime is 312302231057. The reversal of 312302231032 is 230132203213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 312302230994 and 312302231012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271282 + ... + 835582.

It is an arithmetic number, because the mean of its divisors is an integer number (10538339850).

Almost surely, 2^312302231032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312302231032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337226875200).

312302231032 is an abundant number, since it is smaller than the sum of its proper divisors (362151519368).

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

312302231032 is a wasteful number, since it uses less digits than its factorization.

312302231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564668 (or 564664 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312302231032 its reverse (230132203213), we get a palindrome (542434434245).

The spelling of 312302231032 in words is "three hundred twelve billion, three hundred two million, two hundred thirty-one thousand, thirty-two".