497131311 has 8 divisors (see below), whose sum is σ = 685698480. Its totient is φ = 319992512.

The previous prime is 497131303. The next prime is 497131337. The reversal of 497131311 is 113131794.

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 497131311 - 2³ = 497131303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497131351) 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, 2856990 + ... + 2857163.

It is an arithmetic number, because the mean of its divisors is an integer number (85712310).

Almost surely, 2^497131311 is an apocalyptic number.

497131311 is a deficient number, since it is larger than the sum of its proper divisors (188567169).

497131311 is a wasteful number, since it uses less digits than its factorization.

497131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714185.

The product of its digits is 2268, while the sum is 30.

The square root of 497131311 is about 22296.4416667772. The cubic root of 497131311 is about 792.1796937565.

The spelling of 497131311 in words is "four hundred ninety-seven million, one hundred thirty-one thousand, three hundred eleven".