31204212983 has 2 divisors, whose sum is σ = 31204212984. Its totient is φ = 31204212982.

The previous prime is 31204212979. The next prime is 31204213043. The reversal of 31204212983 is 38921240213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31204212983 - 2² = 31204212979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31204212383) 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 as a sum of consecutive naturals, namely, 15602106491 + 15602106492.

It is an arithmetic number, because the mean of its divisors is an integer number (15602106492).

Almost surely, 2^31204212983 is an apocalyptic number.

31204212983 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204212983 is an equidigital number, since it uses as much as digits as its factorization.

31204212983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 31204212983 in words is "thirty-one billion, two hundred four million, two hundred twelve thousand, nine hundred eighty-three".