101240123340431 has 8 divisors (see below), whose sum is σ = 101489830177728. Its totient is φ = 100990647396000.

The previous prime is 101240123340413. The next prime is 101240123340443. The reversal of 101240123340431 is 134043321042101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101240123340431 is a prime.

It is a super-2 number, since 2×101240123340431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101240123340394 and 101240123340403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240123340401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56845175 + ... + 58599096.

It is an arithmetic number, because the mean of its divisors is an integer number (12686228772216).

Almost surely, 2^{101240123340431} is an apocalyptic number.

101240123340431 is a deficient number, since it is larger than the sum of its proper divisors (249706837297).

101240123340431 is a wasteful number, since it uses less digits than its factorization.

101240123340431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115446433.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 101240123340431 its reverse (134043321042101), we get a palindrome (235283444382532).

The spelling of 101240123340431 in words is "one hundred one trillion, two hundred forty billion, one hundred twenty-three million, three hundred forty thousand, four hundred thirty-one".