101042340431 has 2 divisors, whose sum is σ = 101042340432. Its totient is φ = 101042340430.

The previous prime is 101042340403. The next prime is 101042340449. The reversal of 101042340431 is 134043240101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101042340431 - 2²² = 101038146127 is a prime.

It is a super-2 number, since 2×101042340431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101042340397 and 101042340406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101042340481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50521170215 + 50521170216.

It is an arithmetic number, because the mean of its divisors is an integer number (50521170216).

Almost surely, 2^101042340431 is an apocalyptic number.

101042340431 is a deficient number, since it is larger than the sum of its proper divisors (1).

101042340431 is an equidigital number, since it uses as much as digits as its factorization.

101042340431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 101042340431 its reverse (134043240101), we get a palindrome (235085580532).

The spelling of 101042340431 in words is "one hundred one billion, forty-two million, three hundred forty thousand, four hundred thirty-one".