31402222120233 has 12 divisors (see below), whose sum is σ = 45411940870660. Its totient is φ = 20910272168736.

The previous prime is 31402222120219. The next prime is 31402222120249. The reversal of 31402222120233 is 33202122220413.

31402222120233 is a `hidden beast` number, since 3 + 1 + 402 + 2 + 2 + 2 + 1 + 20 + 233 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11473211907369 + 19929010212864 = 3387213^2 + 4464192^2 .

It is not a de Polignac number, because 31402222120233 - 2⁵ = 31402222120201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31402222120197 and 31402222120206.

It is not an unprimeable number, because it can be changed into a prime (31402222120273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2045206738 + ... + 2045222091.

Almost surely, 2^{31402222120233} is an apocalyptic number.

It is an amenable number.

31402222120233 is a deficient number, since it is larger than the sum of its proper divisors (14009718750427).

31402222120233 is a wasteful number, since it uses less digits than its factorization.

31402222120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090429688 (or 4090429685 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31402222120233 its reverse (33202122220413), we get a palindrome (64604344340646).

The spelling of 31402222120233 in words is "thirty-one trillion, four hundred two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred thirty-three".