31100003130023 has 2 divisors, whose sum is σ = 31100003130024. Its totient is φ = 31100003130022.

The previous prime is 31100003129977. The next prime is 31100003130043. The reversal of 31100003130023 is 32003130000113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31100003130023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31100003129983 and 31100003130010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31100003130043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550001565011 + 15550001565012.

It is an arithmetic number, because the mean of its divisors is an integer number (15550001565012).

Almost surely, 2^{31100003130023} is an apocalyptic number.

31100003130023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31100003130023 is an equidigital number, since it uses as much as digits as its factorization.

31100003130023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31100003130023 its reverse (32003130000113), we get a palindrome (63103133130136).

The spelling of 31100003130023 in words is "thirty-one trillion, one hundred billion, three million, one hundred thirty thousand, twenty-three".