31102140041 has 16 divisors (see below), whose sum is σ = 37436405760. Its totient is φ = 25242172560.

The previous prime is 31102139989. The next prime is 31102140137. The reversal of 31102140041 is 14004120113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31102140041 - 2¹⁸ = 31101877897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31102143041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186350 + ... + 311336.

It is an arithmetic number, because the mean of its divisors is an integer number (2339775360).

Almost surely, 2^31102140041 is an apocalyptic number.

It is an amenable number.

31102140041 is a deficient number, since it is larger than the sum of its proper divisors (6334265719).

31102140041 is a wasteful number, since it uses less digits than its factorization.

31102140041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126884.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 31102140041 its reverse (14004120113), we get a palindrome (45106260154).

The spelling of 31102140041 in words is "thirty-one billion, one hundred two million, one hundred forty thousand, forty-one".