313147497 has 16 divisors (see below), whose sum is σ = 476098560. Its totient is φ = 181370112.

The previous prime is 313147469. The next prime is 313147529. The reversal of 313147497 is 794741313.

It is not a de Polignac number, because 313147497 - 2¹² = 313143401 is a prime.

It is a super-2 number, since 2×313147497² = 196122709754730018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (313147097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235497 + ... + 236822.

It is an arithmetic number, because the mean of its divisors is an integer number (29756160).

Almost surely, 2^313147497 is an apocalyptic number.

It is an amenable number.

313147497 is a deficient number, since it is larger than the sum of its proper divisors (162951063).

313147497 is a wasteful number, since it uses less digits than its factorization.

313147497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472352.

The product of its digits is 63504, while the sum is 39.

The square root of 313147497 is about 17695.9740336609. The cubic root of 313147497 is about 679.0727680859.

The spelling of 313147497 in words is "three hundred thirteen million, one hundred forty-seven thousand, four hundred ninety-seven".