142004100431 has 4 divisors (see below), whose sum is σ = 142075140000. Its totient is φ = 141933060864.

The previous prime is 142004100373. The next prime is 142004100439. The reversal of 142004100431 is 134001400241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142004100431 - 2²² = 141999906127 is a prime.

It is a super-2 number, since 2×142004100431² (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 (142004100439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35516786 + ... + 35520783.

It is an arithmetic number, because the mean of its divisors is an integer number (35518785000).

Almost surely, 2^142004100431 is an apocalyptic number.

142004100431 is a deficient number, since it is larger than the sum of its proper divisors (71039569).

142004100431 is an equidigital number, since it uses as much as digits as its factorization.

142004100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71039568.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 142004100431 its reverse (134001400241), we get a palindrome (276005500672).

The spelling of 142004100431 in words is "one hundred forty-two billion, four million, one hundred thousand, four hundred thirty-one".