101231983 has 2 divisors, whose sum is σ = 101231984. Its totient is φ = 101231982.

The previous prime is 101231971. The next prime is 101232017. The reversal of 101231983 is 389132101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101231983 is a prime.

It is a super-2 number, since 2×101231983² = 20495828764224578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101238983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615991 + 50615992.

It is an arithmetic number, because the mean of its divisors is an integer number (50615992).

Almost surely, 2^101231983 is an apocalyptic number.

101231983 is a deficient number, since it is larger than the sum of its proper divisors (1).

101231983 is an equidigital number, since it uses as much as digits as its factorization.

101231983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 101231983 is about 10061.4105869903. The cubic root of 101231983 is about 466.0572283232.

The spelling of 101231983 in words is "one hundred one million, two hundred thirty-one thousand, nine hundred eighty-three".