3131025949 has 16 divisors (see below), whose sum is σ = 3464923392. Its totient is φ = 2814178048.

The previous prime is 3131025923. The next prime is 3131025959. The reversal of 3131025949 is 9495201313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131025949 is a prime.

It is a super-2 number, since 2×3131025949² = 19606646986622701202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131025959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249192 + ... + 261454.

It is an arithmetic number, because the mean of its divisors is an integer number (216557712).

Almost surely, 2^3131025949 is an apocalyptic number.

It is an amenable number.

3131025949 is a deficient number, since it is larger than the sum of its proper divisors (333897443).

3131025949 is a wasteful number, since it uses less digits than its factorization.

3131025949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12956.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 3131025949 is about 55955.5712060917. The cubic root of 3131025949 is about 1462.9479980837.

The spelling of 3131025949 in words is "three billion, one hundred thirty-one million, twenty-five thousand, nine hundred forty-nine".