31423132433 has 32 divisors (see below), whose sum is σ = 40129689600. Its totient is φ = 24391686480.

The previous prime is 31423132417. The next prime is 31423132441. The reversal of 31423132433 is 33423132413.

It is not a de Polignac number, because 31423132433 - 2⁴ = 31423132417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31423132396 and 31423132405.

It is not an unprimeable number, because it can be changed into a prime (31423132453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976466 + ... + 1008132.

It is an arithmetic number, because the mean of its divisors is an integer number (1254052800).

Almost surely, 2^31423132433 is an apocalyptic number.

It is an amenable number.

31423132433 is a deficient number, since it is larger than the sum of its proper divisors (8706557167).

31423132433 is a wasteful number, since it uses less digits than its factorization.

31423132433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31962 (or 31948 counting only the distinct ones).

The product of its digits is 15552, while the sum is 29.

Adding to 31423132433 its reverse (33423132413), we get a palindrome (64846264846).

The spelling of 31423132433 in words is "thirty-one billion, four hundred twenty-three million, one hundred thirty-two thousand, four hundred thirty-three".