312361135320 has 128 divisors (see below), whose sum is σ = 1015210506240. Its totient is φ = 76428418560.

The previous prime is 312361135297. The next prime is 312361135343. The reversal of 312361135320 is 23531163213.

It is an interprime number because it is at equal distance from previous prime (312361135297) and next prime (312361135343).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 338976 + ... + 860015.

It is an arithmetic number, because the mean of its divisors is an integer number (7931332080).

Almost surely, 2^312361135320 is an apocalyptic number.

312361135320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312361135320 is an abundant number, since it is smaller than the sum of its proper divisors (702849370920).

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

312361135320 is a wasteful number, since it uses less digits than its factorization.

312361135320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199185 (or 1199181 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 312361135320 its reverse (23531163213), we get a palindrome (335892298533).

The spelling of 312361135320 in words is "three hundred twelve billion, three hundred sixty-one million, one hundred thirty-five thousand, three hundred twenty".