31112123083 has 2 divisors, whose sum is σ = 31112123084. Its totient is φ = 31112123082.

The previous prime is 31112123071. The next prime is 31112123143. The reversal of 31112123083 is 38032121113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31112123083 - 2⁵ = 31112123051 is a prime.

It is not a weakly prime, because it can be changed into another prime (31112123983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556061541 + 15556061542.

It is an arithmetic number, because the mean of its divisors is an integer number (15556061542).

Almost surely, 2^31112123083 is an apocalyptic number.

31112123083 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112123083 is an equidigital number, since it uses as much as digits as its factorization.

31112123083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 31112123083 its reverse (38032121113), we get a palindrome (69144244196).

The spelling of 31112123083 in words is "thirty-one billion, one hundred twelve million, one hundred twenty-three thousand, eighty-three".