2939395031 has 2 divisors, whose sum is σ = 2939395032. Its totient is φ = 2939395030.

The previous prime is 2939395027. The next prime is 2939395049. The reversal of 2939395031 is 1305939392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2939395031 - 2² = 2939395027 is a prime.

It is a super-2 number, since 2×2939395031² = 17280086296534981922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2939395051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469697515 + 1469697516.

It is an arithmetic number, because the mean of its divisors is an integer number (1469697516).

Almost surely, 2^2939395031 is an apocalyptic number.

2939395031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2939395031 is an equidigital number, since it uses as much as digits as its factorization.

2939395031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196830, while the sum is 44.

The square root of 2939395031 is about 54216.1879054586. The cubic root of 2939395031 is about 1432.4714837870.

The spelling of 2939395031 in words is "two billion, nine hundred thirty-nine million, three hundred ninety-five thousand, thirty-one".