3131412985 has 8 divisors (see below), whose sum is σ = 3759411456. Its totient is φ = 2503986480.

The previous prime is 3131412967. The next prime is 3131413027. The reversal of 3131412985 is 5892141313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3131412985 - 2²⁹ = 2594542073 is a prime.

It is a super-2 number, since 2×3131412985² = 19611494565253220450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130851 + ... + 152920.

It is an arithmetic number, because the mean of its divisors is an integer number (469926432).

Almost surely, 2^3131412985 is an apocalyptic number.

It is an amenable number.

3131412985 is a deficient number, since it is larger than the sum of its proper divisors (627998471).

3131412985 is a wasteful number, since it uses less digits than its factorization.

3131412985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285983.

The product of its digits is 25920, while the sum is 37.

The square root of 3131412985 is about 55959.0295216063. The cubic root of 3131412985 is about 1463.0082754733.

The spelling of 3131412985 in words is "three billion, one hundred thirty-one million, four hundred twelve thousand, nine hundred eighty-five".