32431404340 has 48 divisors (see below), whose sum is σ = 68447433600. Its totient is φ = 12907681920.

The previous prime is 32431404331. The next prime is 32431404371. The reversal of 32431404340 is 4340413423.

It is a super-3 number, since 3×32431404340³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32431404299 and 32431404308.

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, 3422449 + ... + 3431911.

It is an arithmetic number, because the mean of its divisors is an integer number (1425988200).

Almost surely, 2^32431404340 is an apocalyptic number.

It is an amenable number.

32431404340 is an abundant number, since it is smaller than the sum of its proper divisors (36016029260).

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

32431404340 is a wasteful number, since it uses less digits than its factorization.

32431404340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10312 (or 10310 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 32431404340 its reverse (4340413423), we get a palindrome (36771817763).

The spelling of 32431404340 in words is "thirty-two billion, four hundred thirty-one million, four hundred four thousand, three hundred forty".