312330031230 has 96 divisors (see below), whose sum is σ = 872858419200. Its totient is φ = 71317350720.

The previous prime is 312330031229. The next prime is 312330031231. The reversal of 312330031230 is 32130033213.

It is an interprime number because it is at equal distance from previous prime (312330031229) and next prime (312330031231).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 312330031197 and 312330031206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312330031231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1349571 + ... + 1563969.

It is an arithmetic number, because the mean of its divisors is an integer number (9092275200).

Almost surely, 2^312330031230 is an apocalyptic number.

312330031230 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 312330031230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436429209600).

312330031230 is an abundant number, since it is smaller than the sum of its proper divisors (560528387970).

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

312330031230 is a wasteful number, since it uses less digits than its factorization.

312330031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215414 (or 215407 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 312330031230 its reverse (32130033213), we get a palindrome (344460064443).

The spelling of 312330031230 in words is "three hundred twelve billion, three hundred thirty million, thirty-one thousand, two hundred thirty".