142334434044231 has 128 divisors (see below), whose sum is σ = 233373865181184. Its totient is φ = 75929342353920.

The previous prime is 142334434044227. The next prime is 142334434044233. The reversal of 142334434044231 is 132440434433241.

It is not a de Polignac number, because 142334434044231 - 2² = 142334434044227 is a prime.

It is a super-2 number, since 2×142334434044231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142334434044233) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4723525041 + ... + 4723555173.

It is an arithmetic number, because the mean of its divisors is an integer number (1823233321728).

Almost surely, 2^{142334434044231} is an apocalyptic number.

142334434044231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142334434044231 is a deficient number, since it is larger than the sum of its proper divisors (91039431136953).

142334434044231 is a wasteful number, since it uses less digits than its factorization.

142334434044231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31653.

The product of its (nonzero) digits is 1327104, while the sum is 42.

Adding to 142334434044231 its reverse (132440434433241), we get a palindrome (274774868477472).

The spelling of 142334434044231 in words is "one hundred forty-two trillion, three hundred thirty-four billion, four hundred thirty-four million, forty-four thousand, two hundred thirty-one".