31131014141 has 16 divisors (see below), whose sum is σ = 31962681600. Its totient is φ = 30306866688.

The previous prime is 31131014137. The next prime is 31131014179. The reversal of 31131014141 is 14141013113.

It is a cyclic number.

It is not a de Polignac number, because 31131014141 - 2² = 31131014137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31131011141) 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, 7283381 + ... + 7287653.

It is an arithmetic number, because the mean of its divisors is an integer number (1997667600).

Almost surely, 2^31131014141 is an apocalyptic number.

It is an amenable number.

31131014141 is a deficient number, since it is larger than the sum of its proper divisors (831667459).

31131014141 is a wasteful number, since it uses less digits than its factorization.

31131014141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 31131014141 its reverse (14141013113), we get a palindrome (45272027254).

The spelling of 31131014141 in words is "thirty-one billion, one hundred thirty-one million, fourteen thousand, one hundred forty-one".