3920361031 has 2 divisors, whose sum is σ = 3920361032. Its totient is φ = 3920361030.

The previous prime is 3920360989. The next prime is 3920361043. The reversal of 3920361031 is 1301630293.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3920361031 - 2¹⁵ = 3920328263 is a prime.

It is a super-2 number, since 2×3920361031² = 30738461226766765922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3920362031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960180515 + 1960180516.

It is an arithmetic number, because the mean of its divisors is an integer number (1960180516).

Almost surely, 2^3920361031 is an apocalyptic number.

3920361031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3920361031 is an equidigital number, since it uses as much as digits as its factorization.

3920361031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3920361031 is about 62612.7864816764. The cubic root of 3920361031 is about 1576.7954371349.

The spelling of 3920361031 in words is "three billion, nine hundred twenty million, three hundred sixty-one thousand, thirty-one".