319690131 has 16 divisors (see below), whose sum is σ = 430510080. Its totient is φ = 211007520.

The previous prime is 319690127. The next prime is 319690153. The reversal of 319690131 is 131096913.

It is a happy number.

It is not a de Polignac number, because 319690131 - 2² = 319690127 is a prime.

It is a super-2 number, since 2×319690131² = 204403559717594322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 319690092 and 319690101.

It is not an unprimeable number, because it can be changed into a prime (319690121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191406 + ... + 193068.

It is an arithmetic number, because the mean of its divisors is an integer number (26906880).

Almost surely, 2^319690131 is an apocalyptic number.

319690131 is a deficient number, since it is larger than the sum of its proper divisors (110819949).

319690131 is a wasteful number, since it uses less digits than its factorization.

319690131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 319690131 is about 17879.8806204068. The cubic root of 319690131 is about 683.7695288124.

The spelling of 319690131 in words is "three hundred nineteen million, six hundred ninety thousand, one hundred thirty-one".