142300402431 has 16 divisors (see below), whose sum is σ = 207317899008. Its totient is φ = 86102878400.

The previous prime is 142300402423. The next prime is 142300402493. The reversal of 142300402431 is 134204003241.

It is not a de Polignac number, because 142300402431 - 2³ = 142300402423 is a prime.

It is a super-2 number, since 2×142300402431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142300402031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3474075 + ... + 3514796.

It is an arithmetic number, because the mean of its divisors is an integer number (12957368688).

Almost surely, 2^142300402431 is an apocalyptic number.

142300402431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142300402431 is a deficient number, since it is larger than the sum of its proper divisors (65017496577).

142300402431 is a wasteful number, since it uses less digits than its factorization.

142300402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989502.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 142300402431 its reverse (134204003241), we get a palindrome (276504405672).

The spelling of 142300402431 in words is "one hundred forty-two billion, three hundred million, four hundred two thousand, four hundred thirty-one".