32540343531 has 8 divisors (see below), whose sum is σ = 44786709504. Its totient is φ = 20993769960.

The previous prime is 32540343503. The next prime is 32540343541. The reversal of 32540343531 is 13534304523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32540343531 - 2⁵ = 32540343499 is a prime.

It is a super-2 number, since 2×32540343531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32540343492 and 32540343501.

It is not an unprimeable number, because it can be changed into a prime (32540343541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174947991 + ... + 174948176.

It is an arithmetic number, because the mean of its divisors is an integer number (5598338688).

Almost surely, 2^32540343531 is an apocalyptic number.

32540343531 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

32540343531 is a deficient number, since it is larger than the sum of its proper divisors (12246365973).

32540343531 is a wasteful number, since it uses less digits than its factorization.

32540343531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349896201.

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 32540343531 in words is "thirty-two billion, five hundred forty million, three hundred forty-three thousand, five hundred thirty-one".