313640614157 has 8 divisors (see below), whose sum is σ = 346005030840. Its totient is φ = 282453085440.

The previous prime is 313640614141. The next prime is 313640614159. The reversal of 313640614157 is 751416046313.

It can be written as a sum of positive squares in 4 ways, for example, as 9798228196 + 303842385961 = 98986^2 + 551219^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 313640614157 - 2⁴ = 313640614141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313640614159) 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, 294221432 + ... + 294222497.

It is an arithmetic number, because the mean of its divisors is an integer number (43250628855).

Almost surely, 2^313640614157 is an apocalyptic number.

It is an amenable number.

313640614157 is a deficient number, since it is larger than the sum of its proper divisors (32364416683).

313640614157 is a wasteful number, since it uses less digits than its factorization.

313640614157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588443983.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 313640614157 in words is "three hundred thirteen billion, six hundred forty million, six hundred fourteen thousand, one hundred fifty-seven".