431624540451342 has 32 divisors (see below), whose sum is σ = 989783962497792. Its totient is φ = 122919599231424.

The previous prime is 431624540451331. The next prime is 431624540451389. The reversal of 431624540451342 is 243154045426134.

It is a junction number, because it is equal to n+sod(n) for n = 431624540451291 and 431624540451300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16737405303 + ... + 16737431090.

It is an arithmetic number, because the mean of its divisors is an integer number (30930748828056).

Almost surely, 2^{431624540451342} is an apocalyptic number.

431624540451342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

431624540451342 is an abundant number, since it is smaller than the sum of its proper divisors (558159422046450).

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

431624540451342 is a wasteful number, since it uses less digits than its factorization.

431624540451342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33474836712.

The product of its (nonzero) digits is 5529600, while the sum is 48.

Adding to 431624540451342 its reverse (243154045426134), we get a palindrome (674778585877476).

The spelling of 431624540451342 in words is "four hundred thirty-one trillion, six hundred twenty-four billion, five hundred forty million, four hundred fifty-one thousand, three hundred forty-two".