31131443134124 has 6 divisors (see below), whose sum is σ = 54480025484724. Its totient is φ = 15565721567060.

The previous prime is 31131443134109. The next prime is 31131443134153. The reversal of 31131443134124 is 42143134413113.

It is a happy number.

It is a super-2 number, since 2×31131443134124² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3891430391762 + ... + 3891430391769.

It is an arithmetic number, because the mean of its divisors is an integer number (9080004247454).

Almost surely, 2^{31131443134124} is an apocalyptic number.

It is an amenable number.

31131443134124 is a deficient number, since it is larger than the sum of its proper divisors (23348582350600).

31131443134124 is a wasteful number, since it uses less digits than its factorization.

31131443134124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782860783535 (or 7782860783533 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

Adding to 31131443134124 its reverse (42143134413113), we get a palindrome (73274577547237).

The spelling of 31131443134124 in words is "thirty-one trillion, one hundred thirty-one billion, four hundred forty-three million, one hundred thirty-four thousand, one hundred twenty-four".