142210040431 has 2 divisors, whose sum is σ = 142210040432. Its totient is φ = 142210040430.

The previous prime is 142210040407. The next prime is 142210040501. The reversal of 142210040431 is 134040012241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142210040431 - 2²⁷ = 142075822703 is a prime.

It is a super-2 number, since 2×142210040431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142210040831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71105020215 + 71105020216.

It is an arithmetic number, because the mean of its divisors is an integer number (71105020216).

Almost surely, 2^142210040431 is an apocalyptic number.

142210040431 is a deficient number, since it is larger than the sum of its proper divisors (1).

142210040431 is an equidigital number, since it uses as much as digits as its factorization.

142210040431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 142210040431 its reverse (134040012241), we get a palindrome (276250052672).

The spelling of 142210040431 in words is "one hundred forty-two billion, two hundred ten million, forty thousand, four hundred thirty-one".