10115440242031 has 2 divisors, whose sum is σ = 10115440242032. Its totient is φ = 10115440242030.

The previous prime is 10115440242001. The next prime is 10115440242043. The reversal of 10115440242031 is 13024204451101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10115440242031 - 2¹⁹ = 10115439717743 is a prime.

It is a super-2 number, since 2×10115440242031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10115440242001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057720121015 + 5057720121016.

It is an arithmetic number, because the mean of its divisors is an integer number (5057720121016).

Almost surely, 2^{10115440242031} is an apocalyptic number.

10115440242031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115440242031 is an equidigital number, since it uses as much as digits as its factorization.

10115440242031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 10115440242031 its reverse (13024204451101), we get a palindrome (23139644693132).

The spelling of 10115440242031 in words is "ten trillion, one hundred fifteen billion, four hundred forty million, two hundred forty-two thousand, thirty-one".