31232202133 has 12 divisors (see below), whose sum is σ = 35060034240. Its totient is φ = 27788801480.

The previous prime is 31232202049. The next prime is 31232202139. The reversal of 31232202133 is 33120223213.

It is not a de Polignac number, because 31232202133 - 2¹⁷ = 31232071061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232202139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2740243 + ... + 2751616.

It is an arithmetic number, because the mean of its divisors is an integer number (2921669520).

Almost surely, 2^31232202133 is an apocalyptic number.

It is an amenable number.

31232202133 is a deficient number, since it is larger than the sum of its proper divisors (3827832107).

31232202133 is a wasteful number, since it uses less digits than its factorization.

31232202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491928 (or 5491917 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31232202133 its reverse (33120223213), we get a palindrome (64352425346).

The spelling of 31232202133 in words is "thirty-one billion, two hundred thirty-two million, two hundred two thousand, one hundred thirty-three".