101450431 has 2 divisors, whose sum is σ = 101450432. Its totient is φ = 101450430.

The previous prime is 101450389. The next prime is 101450491. The reversal of 101450431 is 134054101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101450431 - 2⁹ = 101449919 is a prime.

It is a super-2 number, since 2×101450431² = 20584379900171522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101450399 and 101450408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101450491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50725215 + 50725216.

It is an arithmetic number, because the mean of its divisors is an integer number (50725216).

Almost surely, 2^101450431 is an apocalyptic number.

101450431 is a deficient number, since it is larger than the sum of its proper divisors (1).

101450431 is an equidigital number, since it uses as much as digits as its factorization.

101450431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 101450431 is about 10072.2604712150. The cubic root of 101450431 is about 466.3922216814.

The spelling of 101450431 in words is "one hundred one million, four hundred fifty thousand, four hundred thirty-one".