100610431 has 2 divisors, whose sum is σ = 100610432. Its totient is φ = 100610430.

The previous prime is 100610423. The next prime is 100610449. The reversal of 100610431 is 134016001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100610431 - 2³ = 100610423 is a prime.

It is a super-2 number, since 2×100610431² = 20244917652011522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100610401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305215 + 50305216.

It is an arithmetic number, because the mean of its divisors is an integer number (50305216).

Almost surely, 2^100610431 is an apocalyptic number.

100610431 is a deficient number, since it is larger than the sum of its proper divisors (1).

100610431 is an equidigital number, since it uses as much as digits as its factorization.

100610431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100610431 is about 10030.4751133732. The cubic root of 100610431 is about 465.1014246713.

Adding to 100610431 its reverse (134016001), we get a palindrome (234626432).

The spelling of 100610431 in words is "one hundred million, six hundred ten thousand, four hundred thirty-one".