31300331222123 has 2 divisors, whose sum is σ = 31300331222124. Its totient is φ = 31300331222122.

The previous prime is 31300331222107. The next prime is 31300331222159. The reversal of 31300331222123 is 32122213300313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31300331222123 - 2⁴ = 31300331222107 is a prime.

It is a super-2 number, since 2×31300331222123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31300331222092 and 31300331222101.

It is not a weakly prime, because it can be changed into another prime (31300331222423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650165611061 + 15650165611062.

It is an arithmetic number, because the mean of its divisors is an integer number (15650165611062).

Almost surely, 2^{31300331222123} is an apocalyptic number.

31300331222123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300331222123 is an equidigital number, since it uses as much as digits as its factorization.

31300331222123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31300331222123 its reverse (32122213300313), we get a palindrome (63422544522436).

The spelling of 31300331222123 in words is "thirty-one trillion, three hundred billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred twenty-three".