142002040231 has 2 divisors, whose sum is σ = 142002040232. Its totient is φ = 142002040230.

The previous prime is 142002040217. The next prime is 142002040241. The reversal of 142002040231 is 132040200241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142002040231 - 2²¹ = 141999943079 is a prime.

It is a super-2 number, since 2×142002040231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142002040199 and 142002040208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142002040211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71001020115 + 71001020116.

It is an arithmetic number, because the mean of its divisors is an integer number (71001020116).

Almost surely, 2^142002040231 is an apocalyptic number.

142002040231 is a deficient number, since it is larger than the sum of its proper divisors (1).

142002040231 is an equidigital number, since it uses as much as digits as its factorization.

142002040231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 142002040231 its reverse (132040200241), we get a palindrome (274042240472).

The spelling of 142002040231 in words is "one hundred forty-two billion, two million, forty thousand, two hundred thirty-one".