31233233233040 has 80 divisors (see below), whose sum is σ = 72660695310720. Its totient is φ = 12485824189440.

The previous prime is 31233233233003. The next prime is 31233233233073. The reversal of 31233233233040 is 4033233233213.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 31233233232988 and 31233233233006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042935347 + ... + 1042965293.

It is an arithmetic number, because the mean of its divisors is an integer number (908258691384).

Almost surely, 2^{31233233233040} is an apocalyptic number.

It is an amenable number.

31233233233040 is an abundant number, since it is smaller than the sum of its proper divisors (41427462077680).

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

31233233233040 is a wasteful number, since it uses less digits than its factorization.

31233233233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37320 (or 37314 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 32.

Adding to 31233233233040 its reverse (4033233233213), we get a palindrome (35266466466253).

The spelling of 31233233233040 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred thirty-three million, two hundred thirty-three thousand, forty".