31121011341 has 12 divisors (see below), whose sum is σ = 51374368032. Its totient is φ = 17783435016.

The previous prime is 31121011331. The next prime is 31121011357. The reversal of 31121011341 is 14311012113.

It is a happy number.

31121011341 is a `hidden beast` number, since 311 + 2 + 1 + 0 + 11 + 341 = 666.

It is not a de Polignac number, because 31121011341 - 2⁶ = 31121011277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31121011331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246992091 + ... + 246992216.

It is an arithmetic number, because the mean of its divisors is an integer number (4281197336).

Almost surely, 2^31121011341 is an apocalyptic number.

It is an amenable number.

31121011341 is a deficient number, since it is larger than the sum of its proper divisors (20253356691).

31121011341 is a wasteful number, since it uses less digits than its factorization.

31121011341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493984320 (or 493984317 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 31121011341 its reverse (14311012113), we get a palindrome (45432023454).

The spelling of 31121011341 in words is "thirty-one billion, one hundred twenty-one million, eleven thousand, three hundred forty-one".