3101990995009 has 9 divisors (see below), whose sum is σ = 3115773593443. Its totient is φ = 3088269119632.

The previous prime is 3101990995003. The next prime is 3101990995013. The reversal of 3101990995009 is 9005990991013.

The square root of 3101990995009 is 1761247.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 629951753025 + 2472039241984 = 793695^2 + 1572272^2 .

It is not a de Polignac number, because 3101990995009 - 2³ = 3101990995001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3101990995001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 410366772 + ... + 410374330.

Almost surely, 2^{3101990995009} is an apocalyptic number.

3101990995009 is the 1761247-th square number.

3101990995009 is the 880624-th centered octagonal number.

It is an amenable number.

3101990995009 is a deficient number, since it is larger than the sum of its proper divisors (13782598434).

3101990995009 is an frugal number, since it uses more digits than its factorization.

3101990995009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15584 (or 7792 counting only the distinct ones).

The product of its (nonzero) digits is 885735, while the sum is 55.

The spelling of 3101990995009 in words is "three trillion, one hundred one billion, nine hundred ninety million, nine hundred ninety-five thousand, nine".