31234223233 has 6 divisors (see below), whose sum is σ = 33179607686. Its totient is φ = 29396915712.

The previous prime is 31234223213. The next prime is 31234223347. The reversal of 31234223233 is 33232243213.

It can be written as a sum of positive squares in 3 ways, for example, as 24294833424 + 6939389809 = 155868^2 + 83303^2 .

It is not a de Polignac number, because 31234223233 - 2⁵ = 31234223201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234223203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54038160 + ... + 54038737.

Almost surely, 2^31234223233 is an apocalyptic number.

It is an amenable number.

31234223233 is a deficient number, since it is larger than the sum of its proper divisors (1945384453).

31234223233 is a wasteful number, since it uses less digits than its factorization.

31234223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108076931 (or 108076914 counting only the distinct ones).

The product of its digits is 15552, while the sum is 28.

Adding to 31234223233 its reverse (33232243213), we get a palindrome (64466466446).

The spelling of 31234223233 in words is "thirty-one billion, two hundred thirty-four million, two hundred twenty-three thousand, two hundred thirty-three".