3131662142 has 32 divisors (see below), whose sum is σ = 5465411328. Its totient is φ = 1318052736.

The previous prime is 3131662109. The next prime is 3131662153. The reversal of 3131662142 is 2412661313.

It is a super-3 number, since 3×3131662142³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311153 + ... + 321059.

It is an arithmetic number, because the mean of its divisors is an integer number (170794104).

Almost surely, 2^3131662142 is an apocalyptic number.

3131662142 is a deficient number, since it is larger than the sum of its proper divisors (2333749186).

3131662142 is a wasteful number, since it uses less digits than its factorization.

3131662142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320.

The product of its digits is 5184, while the sum is 29.

The square root of 3131662142 is about 55961.2557221512. The cubic root of 3131662142 is about 1463.0470768160.

The spelling of 3131662142 in words is "three billion, one hundred thirty-one million, six hundred sixty-two thousand, one hundred forty-two".