32320020013231 has 4 divisors (see below), whose sum is σ = 32376033913312. Its totient is φ = 32264006113152.

The previous prime is 32320020013201. The next prime is 32320020013261. The reversal of 32320020013231 is 13231002002323.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (32320020013201) and next prime (32320020013261).

It is a cyclic number.

It is not a de Polignac number, because 32320020013231 - 2¹⁵ = 32320019980463 is a prime.

It is a super-3 number, since 3×32320020013231³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320020013201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28006949175 + ... + 28006950328.

It is an arithmetic number, because the mean of its divisors is an integer number (8094008478328).

Almost surely, 2^{32320020013231} is an apocalyptic number.

32320020013231 is a deficient number, since it is larger than the sum of its proper divisors (56013900081).

32320020013231 is an equidigital number, since it uses as much as digits as its factorization.

32320020013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56013900080.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32320020013231 its reverse (13231002002323), we get a palindrome (45551022015554).

The spelling of 32320020013231 in words is "thirty-two trillion, three hundred twenty billion, twenty million, thirteen thousand, two hundred thirty-one".