31132223113 has 4 divisors (see below), whose sum is σ = 31338396928. Its totient is φ = 30926049300.

The previous prime is 31132223099. The next prime is 31132223117.

31132223113 is nontrivially palindromic in base 10.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31132223113 is a prime.

It is a super-2 number, since 2×31132223113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31132223117) 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, 103086681 + ... + 103086982.

It is an arithmetic number, because the mean of its divisors is an integer number (7834599232).

Almost surely, 2^31132223113 is an apocalyptic number.

It is an amenable number.

31132223113 is a deficient number, since it is larger than the sum of its proper divisors (206173815).

31132223113 is a wasteful number, since it uses less digits than its factorization.

31132223113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206173814.

The product of its digits is 648, while the sum is 22.

The spelling of 31132223113 in words is "thirty-one billion, one hundred thirty-two million, two hundred twenty-three thousand, one hundred thirteen".