142002326831 has 8 divisors (see below), whose sum is σ = 142225100160. Its totient is φ = 141779718432.

The previous prime is 142002326819. The next prime is 142002326861. The reversal of 142002326831 is 138623200241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142002326831 is a prime.

It is a super-2 number, since 2×142002326831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142002326861) 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 in 7 ways as a sum of consecutive naturals, for example, 1742021 + ... + 1821713.

It is an arithmetic number, because the mean of its divisors is an integer number (17778137520).

Almost surely, 2^142002326831 is an apocalyptic number.

142002326831 is a deficient number, since it is larger than the sum of its proper divisors (222773329).

142002326831 is a wasteful number, since it uses less digits than its factorization.

142002326831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82465.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 142002326831 in words is "one hundred forty-two billion, two million, three hundred twenty-six thousand, eight hundred thirty-one".