142255515123031 has 2 divisors, whose sum is σ = 142255515123032. Its totient is φ = 142255515123030.

The previous prime is 142255515123023. The next prime is 142255515123049. The reversal of 142255515123031 is 130321515552241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142255515123031 - 2³ = 142255515123023 is a prime.

It is a super-2 number, since 2×142255515123031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142255515123731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71127757561515 + 71127757561516.

It is an arithmetic number, because the mean of its divisors is an integer number (71127757561516).

Almost surely, 2^{142255515123031} is an apocalyptic number.

142255515123031 is a deficient number, since it is larger than the sum of its proper divisors (1).

142255515123031 is an equidigital number, since it uses as much as digits as its factorization.

142255515123031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 142255515123031 in words is "one hundred forty-two trillion, two hundred fifty-five billion, five hundred fifteen million, one hundred twenty-three thousand, thirty-one".