142115331431 has 2 divisors, whose sum is σ = 142115331432. Its totient is φ = 142115331430.

The previous prime is 142115331361. The next prime is 142115331467. The reversal of 142115331431 is 134133511241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142115331431 - 2²⁶ = 142048222567 is a prime.

It is a super-2 number, since 2×142115331431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142115331394 and 142115331403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142115331131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71057665715 + 71057665716.

It is an arithmetic number, because the mean of its divisors is an integer number (71057665716).

Almost surely, 2^142115331431 is an apocalyptic number.

142115331431 is a deficient number, since it is larger than the sum of its proper divisors (1).

142115331431 is an equidigital number, since it uses as much as digits as its factorization.

142115331431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

Adding to 142115331431 its reverse (134133511241), we get a palindrome (276248842672).

The spelling of 142115331431 in words is "one hundred forty-two billion, one hundred fifteen million, three hundred thirty-one thousand, four hundred thirty-one".