31133233124 has 24 divisors (see below), whose sum is σ = 62270382720. Its totient is φ = 13341974976.

The previous prime is 31133233091. The next prime is 31133233139. The reversal of 31133233124 is 42133233113.

It is a junction number, because it is equal to n+sod(n) for n = 31133233093 and 31133233102.

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, 661544 + ... + 707040.

It is an arithmetic number, because the mean of its divisors is an integer number (2594599280).

Almost surely, 2^31133233124 is an apocalyptic number.

It is an amenable number.

31133233124 is an abundant number, since it is smaller than the sum of its proper divisors (31137149596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31133233124 is a wasteful number, since it uses less digits than its factorization.

31133233124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69947 (or 69945 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 31133233124 its reverse (42133233113), we get a palindrome (73266466237).

The spelling of 31133233124 in words is "thirty-one billion, one hundred thirty-three million, two hundred thirty-three thousand, one hundred twenty-four".