103230100991 has 2 divisors, whose sum is σ = 103230100992. Its totient is φ = 103230100990.

The previous prime is 103230100979. The next prime is 103230101057. The reversal of 103230100991 is 199001032301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103230100991 is a prime.

It is a super-2 number, since 2×103230100991² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103230100291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51615050495 + 51615050496.

It is an arithmetic number, because the mean of its divisors is an integer number (51615050496).

Almost surely, 2^103230100991 is an apocalyptic number.

103230100991 is a deficient number, since it is larger than the sum of its proper divisors (1).

103230100991 is an equidigital number, since it uses as much as digits as its factorization.

103230100991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 103230100991 in words is "one hundred three billion, two hundred thirty million, one hundred thousand, nine hundred ninety-one".