142320322029631 has 2 divisors, whose sum is σ = 142320322029632. Its totient is φ = 142320322029630.

The previous prime is 142320322029629. The next prime is 142320322029679. The reversal of 142320322029631 is 136920223023241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142320322029631 - 2¹ = 142320322029629 is a prime.

It is a super-2 number, since 2×142320322029631² (a number of 29 digits) contains 22 as substring.

Together with 142320322029629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142320322024631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160161014815 + 71160161014816.

It is an arithmetic number, because the mean of its divisors is an integer number (71160161014816).

Almost surely, 2^{142320322029631} is an apocalyptic number.

142320322029631 is a deficient number, since it is larger than the sum of its proper divisors (1).

142320322029631 is an equidigital number, since it uses as much as digits as its factorization.

142320322029631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 142320322029631 in words is "one hundred forty-two trillion, three hundred twenty billion, three hundred twenty-two million, twenty-nine thousand, six hundred thirty-one".