101240424431 has 4 divisors (see below), whose sum is σ = 101256351600. Its totient is φ = 101224497264.

The previous prime is 101240424427. The next prime is 101240424443. The reversal of 101240424431 is 134424042101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134424042101 = 199 ⋅675497699.

It is a cyclic number.

It is not a de Polignac number, because 101240424431 - 2² = 101240424427 is a prime.

It is a super-2 number, since 2×101240424431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101240424431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240424421) 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, 7954046 + ... + 7966763.

It is an arithmetic number, because the mean of its divisors is an integer number (25314087900).

Almost surely, 2^101240424431 is an apocalyptic number.

101240424431 is a deficient number, since it is larger than the sum of its proper divisors (15927169).

101240424431 is an equidigital number, since it uses as much as digits as its factorization.

101240424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15927168.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 101240424431 its reverse (134424042101), we get a palindrome (235664466532).

The spelling of 101240424431 in words is "one hundred one billion, two hundred forty million, four hundred twenty-four thousand, four hundred thirty-one".