313140788 has 6 divisors (see below), whose sum is σ = 547996386. Its totient is φ = 156570392.

The previous prime is 313140787. The next prime is 313140803. The reversal of 313140788 is 887041313.

It can be written as a sum of positive squares in only one way, i.e., 199035664 + 114105124 = 14108^2 + 10682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313140787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39142595 + ... + 39142602.

It is an arithmetic number, because the mean of its divisors is an integer number (91332731).

Almost surely, 2^313140788 is an apocalyptic number.

It is an amenable number.

313140788 is a deficient number, since it is larger than the sum of its proper divisors (234855598).

313140788 is a wasteful number, since it uses less digits than its factorization.

313140788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78285201 (or 78285199 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 313140788 is about 17695.7844697544. The cubic root of 313140788 is about 679.0679184738.

The spelling of 313140788 in words is "three hundred thirteen million, one hundred forty thousand, seven hundred eighty-eight".