32506113431 has 8 divisors (see below), whose sum is σ = 35472927504. Its totient is φ = 29541251520.

The previous prime is 32506113403. The next prime is 32506113433. The reversal of 32506113431 is 13431160523.

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

It is not a de Polignac number, because 32506113431 - 2²² = 32501919127 is a prime.

It is a super-2 number, since 2×32506113431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32506113394 and 32506113403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32506113433) 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, 453110 + ... + 519923.

It is an arithmetic number, because the mean of its divisors is an integer number (4434115938).

Almost surely, 2^32506113431 is an apocalyptic number.

32506113431 is a deficient number, since it is larger than the sum of its proper divisors (2966814073).

32506113431 is a wasteful number, since it uses less digits than its factorization.

32506113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976081.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 32506113431 its reverse (13431160523), we get a palindrome (45937273954).

The spelling of 32506113431 in words is "thirty-two billion, five hundred six million, one hundred thirteen thousand, four hundred thirty-one".