312101320 has 32 divisors (see below), whose sum is σ = 703219320. Its totient is φ = 124664320.

The previous prime is 312101299. The next prime is 312101333. The reversal of 312101320 is 23101213.

It can be written as a sum of positive squares in 4 ways, for example, as 77827684 + 234273636 = 8822^2 + 15306^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312101320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25314 + ... + 35566.

Almost surely, 2^312101320 is an apocalyptic number.

It is an amenable number.

312101320 is an abundant number, since it is smaller than the sum of its proper divisors (391118000).

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

312101320 is a wasteful number, since it uses less digits than its factorization.

312101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025 (or 11021 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 312101320 is about 17666.3895575751. The cubic root of 312101320 is about 678.3156989354.

Adding to 312101320 its reverse (23101213), we get a palindrome (335202533).

The spelling of 312101320 in words is "three hundred twelve million, one hundred one thousand, three hundred twenty".