671313131 has 8 divisors (see below), whose sum is σ = 688643424. Its totient is φ = 654028480.

The previous prime is 671313107. The next prime is 671313191. The reversal of 671313131 is 131313176.

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 671313131 - 2⁶ = 671313067 is a prime.

It is a super-2 number, since 2×671313131² = 901322639706046322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671313131.

It is not an unprimeable number, because it can be changed into a prime (671313191) 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, 19445 + ... + 41481.

It is an arithmetic number, because the mean of its divisors is an integer number (86080428).

Almost surely, 2^671313131 is an apocalyptic number.

671313131 is a deficient number, since it is larger than the sum of its proper divisors (17330293).

671313131 is a wasteful number, since it uses less digits than its factorization.

671313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22821.

The product of its digits is 1134, while the sum is 26.

The square root of 671313131 is about 25909.7111330868. The cubic root of 671313131 is about 875.6052980748.

The spelling of 671313131 in words is "six hundred seventy-one million, three hundred thirteen thousand, one hundred thirty-one".