31132330323 has 32 divisors (see below), whose sum is σ = 42445734912. Its totient is φ = 20293632000.

The previous prime is 31132330267. The next prime is 31132330393. The reversal of 31132330323 is 32303323113.

It is not a de Polignac number, because 31132330323 - 2¹⁰ = 31132329299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31132330293 and 31132330302.

It is not an unprimeable number, because it can be changed into a prime (31132330393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8478778 + ... + 8482448.

It is an arithmetic number, because the mean of its divisors is an integer number (1326429216).

Almost surely, 2^31132330323 is an apocalyptic number.

31132330323 is a deficient number, since it is larger than the sum of its proper divisors (11313404589).

31132330323 is a wasteful number, since it uses less digits than its factorization.

31132330323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 31132330323 its reverse (32303323113), we get a palindrome (63435653436).

The spelling of 31132330323 in words is "thirty-one billion, one hundred thirty-two million, three hundred thirty thousand, three hundred twenty-three".