31420040212233 has 12 divisors (see below), whose sum is σ = 45400222865088. Its totient is φ = 20939437935000.

The previous prime is 31420040212189. The next prime is 31420040212387. The reversal of 31420040212233 is 33221204002413.

31420040212233 is a `hidden beast` number, since 3 + 1 + 4 + 20 + 0 + 402 + 1 + 2 + 233 = 666.

It is not a de Polignac number, because 31420040212233 - 2¹⁴ = 31420040195849 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31420040212197 and 31420040212206.

It is not an unprimeable number, because it can be changed into a prime (31420040219233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604600893 + ... + 604652858.

It is an arithmetic number, because the mean of its divisors is an integer number (3783351905424).

Almost surely, 2^{31420040212233} is an apocalyptic number.

It is an amenable number.

31420040212233 is a deficient number, since it is larger than the sum of its proper divisors (13980182652855).

31420040212233 is a wasteful number, since it uses less digits than its factorization.

31420040212233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209256644 (or 1209256641 counting only the distinct ones).

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

Adding to 31420040212233 its reverse (33221204002413), we get a palindrome (64641244214646).

The spelling of 31420040212233 in words is "thirty-one trillion, four hundred twenty billion, forty million, two hundred twelve thousand, two hundred thirty-three".