100901431 has 4 divisors (see below), whose sum is σ = 100934032. Its totient is φ = 100868832.

The previous prime is 100901413. The next prime is 100901461. The reversal of 100901431 is 134109001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100901431 - 2⁷ = 100901303 is a prime.

It is a super-2 number, since 2×100901431² = 20362197555695522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100901399 and 100901408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100901461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106 + ... + 18031.

It is an arithmetic number, because the mean of its divisors is an integer number (25233508).

Almost surely, 2^100901431 is an apocalyptic number.

100901431 is a deficient number, since it is larger than the sum of its proper divisors (32601).

100901431 is an equidigital number, since it uses as much as digits as its factorization.

100901431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32600.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100901431 is about 10044.9704330078. The cubic root of 100901431 is about 465.5494041861.

The spelling of 100901431 in words is "one hundred million, nine hundred one thousand, four hundred thirty-one".