431299242 has 48 divisors (see below), whose sum is σ = 1057204512. Its totient is φ = 130695120.

The previous prime is 431299229. The next prime is 431299277. The reversal of 431299242 is 242992134.

It is a super-2 number, since 2×431299242² = 372038072299549128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431299197 and 431299206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34993 + ... + 45684.

It is an arithmetic number, because the mean of its divisors is an integer number (22025094).

Almost surely, 2^431299242 is an apocalyptic number.

431299242 is an abundant number, since it is smaller than the sum of its proper divisors (625905270).

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

431299242 is a wasteful number, since it uses less digits than its factorization.

431299242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80705 (or 80693 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 431299242 is about 20767.7452314882. The cubic root of 431299242 is about 755.5436588365.

The spelling of 431299242 in words is "four hundred thirty-one million, two hundred ninety-nine thousand, two hundred forty-two".