312232131030 has 64 divisors (see below), whose sum is σ = 768562603200. Its totient is φ = 81132871680.

The previous prime is 312232131023. The next prime is 312232131047. The reversal of 312232131030 is 30131232213.

312232131030 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 312232130988 and 312232131006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866566 + ... + 1172774.

It is an arithmetic number, because the mean of its divisors is an integer number (12008790675).

Almost surely, 2^312232131030 is an apocalyptic number.

312232131030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 312232131030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384281301600).

312232131030 is an abundant number, since it is smaller than the sum of its proper divisors (456330472170).

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

312232131030 is a wasteful number, since it uses less digits than its factorization.

312232131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307089.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312232131030 its reverse (30131232213), we get a palindrome (342363363243).

The spelling of 312232131030 in words is "three hundred twelve billion, two hundred thirty-two million, one hundred thirty-one thousand, thirty".