142342877831 has 8 divisors (see below), whose sum is σ = 177466445184. Its totient is φ = 110916528120.

The previous prime is 142342877821. The next prime is 142342877857. The reversal of 142342877831 is 138778243241.

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-142342877831 is a prime.

It is a super-2 number, since 2×142342877831² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142342877831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142342877801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924304325 + ... + 924304478.

It is an arithmetic number, because the mean of its divisors is an integer number (22183305648).

Almost surely, 2^142342877831 is an apocalyptic number.

142342877831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142342877831 is a deficient number, since it is larger than the sum of its proper divisors (35123567353).

142342877831 is a wasteful number, since it uses less digits than its factorization.

142342877831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848608821.

The product of its digits is 1806336, while the sum is 50.

The spelling of 142342877831 in words is "one hundred forty-two billion, three hundred forty-two million, eight hundred seventy-seven thousand, eight hundred thirty-one".