32320120031 has 16 divisors (see below), whose sum is σ = 34228101600. Its totient is φ = 30433148928.

The previous prime is 32320119989. The next prime is 32320120033. The reversal of 32320120031 is 13002102323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32320120031 is a prime.

It is a super-2 number, since 2×32320120031² (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 = 32320119991 and 32320120009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320120033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4311935 + ... + 4319423.

It is an arithmetic number, because the mean of its divisors is an integer number (2139256350).

Almost surely, 2^32320120031 is an apocalyptic number.

32320120031 is a deficient number, since it is larger than the sum of its proper divisors (1907981569).

32320120031 is a wasteful number, since it uses less digits than its factorization.

32320120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8858.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32320120031 its reverse (13002102323), we get a palindrome (45322222354).

The spelling of 32320120031 in words is "thirty-two billion, three hundred twenty million, one hundred twenty thousand, thirty-one".