100233031 has 2 divisors, whose sum is σ = 100233032. Its totient is φ = 100233030.

The previous prime is 100232989. The next prime is 100233053. The reversal of 100233031 is 130332001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100233031 is a prime.

It is a super-2 number, since 2×100233031² = 20093321006893922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100233061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50116515 + 50116516.

It is an arithmetic number, because the mean of its divisors is an integer number (50116516).

Almost surely, 2^100233031 is an apocalyptic number.

100233031 is a deficient number, since it is larger than the sum of its proper divisors (1).

100233031 is an equidigital number, since it uses as much as digits as its factorization.

100233031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 100233031 is about 10011.6447699666. The cubic root of 100233031 is about 464.5191483588.

Adding to 100233031 its reverse (130332001), we get a palindrome (230565032).

The spelling of 100233031 in words is "one hundred million, two hundred thirty-three thousand, thirty-one".