312113553 has 8 divisors (see below), whose sum is σ = 416642688. Its totient is φ = 207830064.

The previous prime is 312113509. The next prime is 312113563. The reversal of 312113553 is 355311213.

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

It is not a de Polignac number, because 312113553 - 2⁸ = 312113297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312113563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58425 + ... + 63542.

It is an arithmetic number, because the mean of its divisors is an integer number (52080336).

Almost surely, 2^312113553 is an apocalyptic number.

It is an amenable number.

312113553 is a deficient number, since it is larger than the sum of its proper divisors (104529135).

312113553 is a wasteful number, since it uses less digits than its factorization.

312113553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122823.

The product of its digits is 1350, while the sum is 24.

The square root of 312113553 is about 17666.7357765944. The cubic root of 312113553 is about 678.3245611510.

Adding to 312113553 its reverse (355311213), we get a palindrome (667424766).

The spelling of 312113553 in words is "three hundred twelve million, one hundred thirteen thousand, five hundred fifty-three".