3131037149 has 2 divisors, whose sum is σ = 3131037150. Its totient is φ = 3131037148.

The previous prime is 3131037121. The next prime is 3131037163. The reversal of 3131037149 is 9417301313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2632408249 + 498628900 = 51307^2 + 22330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131037149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131007149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565518574 + 1565518575.

It is an arithmetic number, because the mean of its divisors is an integer number (1565518575).

Almost surely, 2^3131037149 is an apocalyptic number.

It is an amenable number.

3131037149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131037149 is an equidigital number, since it uses as much as digits as its factorization.

3131037149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3131037149 is about 55955.6712854023. The cubic root of 3131037149 is about 1462.9497424532.

The spelling of 3131037149 in words is "three billion, one hundred thirty-one million, thirty-seven thousand, one hundred forty-nine".