3131694 has 24 divisors (see below), whose sum is σ = 7143240. Its totient is φ = 988848.

The previous prime is 3131671. The next prime is 3131699. The reversal of 3131694 is 4961313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4237 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (297635).

Almost surely, 2^3131694 is an apocalyptic number.

3131694 is an abundant number, since it is smaller than the sum of its proper divisors (4011546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131694 is a wasteful number, since it uses less digits than its factorization.

3131694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184 (or 9181 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3131694 is about 1769.6592892419. The cubic root of 3131694 is about 146.3052037930.

The spelling of 3131694 in words is "three million, one hundred thirty-one thousand, six hundred ninety-four".