3915161031 has 12 divisors (see below), whose sum is σ = 5362204472. Its totient is φ = 2539136304.

The previous prime is 3915161021. The next prime is 3915161057. The reversal of 3915161031 is 1301615193.

It is not a de Polignac number, because 3915161031 - 2¹¹ = 3915158983 is a prime.

It is a super-2 number, since 2×3915161031² = 30656971797321965922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3915161031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915161021) 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 11 ways as a sum of consecutive naturals, for example, 656260 + ... + 662198.

Almost surely, 2^3915161031 is an apocalyptic number.

3915161031 is a deficient number, since it is larger than the sum of its proper divisors (1447043441).

3915161031 is an frugal number, since it uses more digits than its factorization.

3915161031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918 (or 5979 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 3915161031 is about 62571.2476381924. The cubic root of 3915161031 is about 1576.0979704046.

The spelling of 3915161031 in words is "three billion, nine hundred fifteen million, one hundred sixty-one thousand, thirty-one".