31022132133 has 4 divisors (see below), whose sum is σ = 41362842848. Its totient is φ = 20681421420.

The previous prime is 31022132107. The next prime is 31022132161. The reversal of 31022132133 is 33123122013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31022132133 - 2¹⁷ = 31022001061 is a prime.

It is a super-2 number, since 2×31022132133² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022130133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5170355353 + ... + 5170355358.

It is an arithmetic number, because the mean of its divisors is an integer number (10340710712).

Almost surely, 2^31022132133 is an apocalyptic number.

It is an amenable number.

31022132133 is a deficient number, since it is larger than the sum of its proper divisors (10340710715).

31022132133 is a wasteful number, since it uses less digits than its factorization.

31022132133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340710714.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31022132133 its reverse (33123122013), we get a palindrome (64145254146).

The spelling of 31022132133 in words is "thirty-one billion, twenty-two million, one hundred thirty-two thousand, one hundred thirty-three".