3101436947985 has 32 divisors (see below), whose sum is σ = 5250981593088. Its totient is φ = 1559898056640.

The previous prime is 3101436947977. The next prime is 3101436948017. The reversal of 3101436947985 is 5897496341013.

It is not a de Polignac number, because 3101436947985 - 2³ = 3101436947977 is a prime.

It is a super-2 number, since 2×3101436947985² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63283057 + ... + 63332046.

It is an arithmetic number, because the mean of its divisors is an integer number (164093174784).

Almost surely, 2^{3101436947985} is an apocalyptic number.

It is an amenable number.

3101436947985 is a deficient number, since it is larger than the sum of its proper divisors (2149544645103).

3101436947985 is a wasteful number, since it uses less digits than its factorization.

3101436947985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126615205.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 3101436947985 in words is "three trillion, one hundred one billion, four hundred thirty-six million, nine hundred forty-seven thousand, nine hundred eighty-five".