431232303365340 has 72 divisors (see below), whose sum is σ = 1222928104058640. Its totient is φ = 113539644331776.

The previous prime is 431232303365329. The next prime is 431232303365407. The reversal of 431232303365340 is 43563303232134.

It is a super-2 number, since 2×431232303365340² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431232303365292 and 431232303365301.

It is a congruent number.

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, 575431105 + ... + 576180024.

It is an arithmetic number, because the mean of its divisors is an integer number (16985112556370).

Almost surely, 2^{431232303365340} is an apocalyptic number.

It is an amenable number.

431232303365340 is an abundant number, since it is smaller than the sum of its proper divisors (791695800693300).

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

431232303365340 is a wasteful number, since it uses less digits than its factorization.

431232303365340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151611299 (or 1151611218 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 42.

Adding to 431232303365340 its reverse (43563303232134), we get a palindrome (474795606597474).

The spelling of 431232303365340 in words is "four hundred thirty-one trillion, two hundred thirty-two billion, three hundred three million, three hundred sixty-five thousand, three hundred forty".