495319131 has 20 divisors (see below), whose sum is σ = 740520000. Its totient is φ = 329945616.

The previous prime is 495319093. The next prime is 495319163. The reversal of 495319131 is 131913594.

495319131 is a `hidden beast` number, since 4 + 9 + 531 + 91 + 31 = 666.

It is not a de Polignac number, because 495319131 - 2⁷ = 495319003 is a prime.

It is a super-2 number, since 2×495319131² = 490682083069190322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (495319171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 193045 + ... + 195593.

It is an arithmetic number, because the mean of its divisors is an integer number (37026000).

Almost surely, 2^495319131 is an apocalyptic number.

495319131 is a deficient number, since it is larger than the sum of its proper divisors (245200869).

495319131 is a wasteful number, since it uses less digits than its factorization.

495319131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960 (or 4951 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 495319131 is about 22255.7662415833. The cubic root of 495319131 is about 791.2159510067.

The spelling of 495319131 in words is "four hundred ninety-five million, three hundred nineteen thousand, one hundred thirty-one".