31142134413 has 48 divisors (see below), whose sum is σ = 49212072000. Its totient is φ = 18861403392.

The previous prime is 31142134391. The next prime is 31142134423. The reversal of 31142134413 is 31443124113.

31142134413 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 213 + 441 + 3 = 666.

It is not a de Polignac number, because 31142134413 - 2²⁰ = 31141085837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142134423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4258306 + ... + 4265612.

It is an arithmetic number, because the mean of its divisors is an integer number (1025251500).

Almost surely, 2^31142134413 is an apocalyptic number.

It is an amenable number.

31142134413 is a deficient number, since it is larger than the sum of its proper divisors (18069937587).

31142134413 is a wasteful number, since it uses less digits than its factorization.

31142134413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898 (or 7895 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 31142134413 its reverse (31443124113), we get a palindrome (62585258526).

The spelling of 31142134413 in words is "thirty-one billion, one hundred forty-two million, one hundred thirty-four thousand, four hundred thirteen".