31122040133 has 8 divisors (see below), whose sum is σ = 31184375040. Its totient is φ = 31059764640.

The previous prime is 31122040129. The next prime is 31122040139. The reversal of 31122040133 is 33104022113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31122040133 - 2² = 31122040129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122040139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118753 + ... + 1146233.

It is an arithmetic number, because the mean of its divisors is an integer number (3898046880).

Almost surely, 2^31122040133 is an apocalyptic number.

It is an amenable number.

31122040133 is a deficient number, since it is larger than the sum of its proper divisors (62334907).

31122040133 is a wasteful number, since it uses less digits than its factorization.

31122040133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29707.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31122040133 its reverse (33104022113), we get a palindrome (64226062246).

The spelling of 31122040133 in words is "thirty-one billion, one hundred twenty-two million, forty thousand, one hundred thirty-three".