431342142 has 64 divisors (see below), whose sum is σ = 1132185600. Its totient is φ = 106138080.

The previous prime is 431342137. The next prime is 431342147. The reversal of 431342142 is 241243134.

It is an interprime number because it is at equal distance from previous prime (431342137) and next prime (431342147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431342147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15792 + ... + 33347.

It is an arithmetic number, because the mean of its divisors is an integer number (17690400).

Almost surely, 2^431342142 is an apocalyptic number.

431342142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

431342142 is an abundant number, since it is smaller than the sum of its proper divisors (700843458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431342142 is a wasteful number, since it uses less digits than its factorization.

431342142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49181.

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

The square root of 431342142 is about 20768.7780574592. The cubic root of 431342142 is about 755.5687085353.

Adding to 431342142 its reverse (241243134), we get a palindrome (672585276).

The spelling of 431342142 in words is "four hundred thirty-one million, three hundred forty-two thousand, one hundred forty-two".