312113015 has 8 divisors (see below), whose sum is σ = 374767008. Its totient is φ = 249536160.

The previous prime is 312112987. The next prime is 312113029. The reversal of 312113015 is 510311213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-312113015 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312112984 and 312113002.

It is a congruent number.

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, 9971 + ... + 26900.

It is an arithmetic number, because the mean of its divisors is an integer number (46845876).

Almost surely, 2^312113015 is an apocalyptic number.

312113015 is a deficient number, since it is larger than the sum of its proper divisors (62653993).

312113015 is a wasteful number, since it uses less digits than its factorization.

312113015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38569.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 312113015 is about 17666.7205502323. The cubic root of 312113015 is about 678.3241714009.

Adding to 312113015 its reverse (510311213), we get a palindrome (822424228).

The spelling of 312113015 in words is "three hundred twelve million, one hundred thirteen thousand, fifteen".