103310212991 has 2 divisors, whose sum is σ = 103310212992. Its totient is φ = 103310212990.

The previous prime is 103310212927. The next prime is 103310213009. The reversal of 103310212991 is 199212013301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103310212991 - 2⁶ = 103310212927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103310212921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51655106495 + 51655106496.

It is an arithmetic number, because the mean of its divisors is an integer number (51655106496).

Almost surely, 2^103310212991 is an apocalyptic number.

103310212991 is a deficient number, since it is larger than the sum of its proper divisors (1).

103310212991 is an equidigital number, since it uses as much as digits as its factorization.

103310212991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 103310212991 in words is "one hundred three billion, three hundred ten million, two hundred twelve thousand, nine hundred ninety-one".