31423451452233 has 32 divisors (see below), whose sum is σ = 44257152643200. Its totient is φ = 19777072951296.

The previous prime is 31423451452229. The next prime is 31423451452297. The reversal of 31423451452233 is 33225415432413.

It is not a de Polignac number, because 31423451452233 - 2² = 31423451452229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31423451456233) 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, 229687273 + ... + 229824041.

It is an arithmetic number, because the mean of its divisors is an integer number (1383036020100).

Almost surely, 2^{31423451452233} is an apocalyptic number.

It is an amenable number.

31423451452233 is a deficient number, since it is larger than the sum of its proper divisors (12833701190967).

31423451452233 is a wasteful number, since it uses less digits than its factorization.

31423451452233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150841.

The product of its digits is 1036800, while the sum is 42.

Adding to 31423451452233 its reverse (33225415432413), we get a palindrome (64648866884646).

The spelling of 31423451452233 in words is "thirty-one trillion, four hundred twenty-three billion, four hundred fifty-one million, four hundred fifty-two thousand, two hundred thirty-three".