31112313083 has 2 divisors, whose sum is σ = 31112313084. Its totient is φ = 31112313082.

The previous prime is 31112313079. The next prime is 31112313137. The reversal of 31112313083 is 38031321113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31112313083 - 2² = 31112313079 is a prime.

It is a super-2 number, since 2×31112313083² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31112313283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556156541 + 15556156542.

It is an arithmetic number, because the mean of its divisors is an integer number (15556156542).

Almost surely, 2^31112313083 is an apocalyptic number.

31112313083 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112313083 is an equidigital number, since it uses as much as digits as its factorization.

31112313083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 31112313083 its reverse (38031321113), we get a palindrome (69143634196).

The spelling of 31112313083 in words is "thirty-one billion, one hundred twelve million, three hundred thirteen thousand, eighty-three".