31030102311023 has 2 divisors, whose sum is σ = 31030102311024. Its totient is φ = 31030102311022.

The previous prime is 31030102311017. The next prime is 31030102311113. The reversal of 31030102311023 is 32011320103013.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31030102311023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31030102310986 and 31030102311004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31030102316023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515051155511 + 15515051155512.

It is an arithmetic number, because the mean of its divisors is an integer number (15515051155512).

Almost surely, 2^{31030102311023} is an apocalyptic number.

31030102311023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030102311023 is an equidigital number, since it uses as much as digits as its factorization.

31030102311023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31030102311023 its reverse (32011320103013), we get a palindrome (63041422414036).

The spelling of 31030102311023 in words is "thirty-one trillion, thirty billion, one hundred two million, three hundred eleven thousand, twenty-three".