100597031 has 2 divisors, whose sum is σ = 100597032. Its totient is φ = 100597030.

The previous prime is 100596901. The next prime is 100597033. The reversal of 100597031 is 130795001.

It is a strong prime.

It is an emirp because it is prime and its reverse (130795001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100597031 - 2²² = 96402727 is a prime.

It is a super-2 number, since 2×100597031² = 20239525292029922, which contains 22 as substring.

Together with 100597033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100597033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50298515 + 50298516.

It is an arithmetic number, because the mean of its divisors is an integer number (50298516).

Almost surely, 2^100597031 is an apocalyptic number.

100597031 is a deficient number, since it is larger than the sum of its proper divisors (1).

100597031 is an equidigital number, since it uses as much as digits as its factorization.

100597031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 100597031 is about 10029.8071267597. The cubic root of 100597031 is about 465.0807752690.

It can be divided in two parts, 1005970 and 31, that added together give a palindrome (1006001).

The spelling of 100597031 in words is "one hundred million, five hundred ninety-seven thousand, thirty-one".