31411221124 has 24 divisors (see below), whose sum is σ = 56874767040. Its totient is φ = 15161471136.

The previous prime is 31411221103. The next prime is 31411221133. The reversal of 31411221124 is 42112211413.

It is a junction number, because it is equal to n+sod(n) for n = 31411221095 and 31411221104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788739 + ... + 827605.

It is an arithmetic number, because the mean of its divisors is an integer number (2369781960).

Almost surely, 2^31411221124 is an apocalyptic number.

It is an amenable number.

31411221124 is a deficient number, since it is larger than the sum of its proper divisors (25463545916).

31411221124 is a wasteful number, since it uses less digits than its factorization.

31411221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45867 (or 45865 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

Adding to 31411221124 its reverse (42112211413), we get a palindrome (73523432537).

The spelling of 31411221124 in words is "thirty-one billion, four hundred eleven million, two hundred twenty-one thousand, one hundred twenty-four".