31032432420431 has 8 divisors (see below), whose sum is σ = 33822187699440. Its totient is φ = 28300197868992.

The previous prime is 31032432420389. The next prime is 31032432420433. The reversal of 31032432420431 is 13402423423013.

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

It is a cyclic number.

It is not a de Polignac number, because 31032432420431 - 2¹⁴ = 31032432404047 is a prime.

It is a super-2 number, since 2×31032432420431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032432420433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14380180766 + ... + 14380182923.

It is an arithmetic number, because the mean of its divisors is an integer number (4227773462430).

Almost surely, 2^{31032432420431} is an apocalyptic number.

31032432420431 is a deficient number, since it is larger than the sum of its proper divisors (2789755279009).

31032432420431 is a wasteful number, since it uses less digits than its factorization.

31032432420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28760363785.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31032432420431 its reverse (13402423423013), we get a palindrome (44434855843444).

The spelling of 31032432420431 in words is "thirty-one trillion, thirty-two billion, four hundred thirty-two million, four hundred twenty thousand, four hundred thirty-one".