90003231321 has 16 divisors (see below), whose sum is σ = 121660724160. Its totient is φ = 59174115840.

The previous prime is 90003231317. The next prime is 90003231377. The reversal of 90003231321 is 12313230009.

It is not a de Polignac number, because 90003231321 - 2² = 90003231317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90003231291 and 90003231300.

It is not an unprimeable number, because it can be changed into a prime (90003231221) 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, 3297910 + ... + 3325088.

It is an arithmetic number, because the mean of its divisors is an integer number (7603795260).

Almost surely, 2^90003231321 is an apocalyptic number.

It is an amenable number.

90003231321 is a deficient number, since it is larger than the sum of its proper divisors (31657492839).

90003231321 is a wasteful number, since it uses less digits than its factorization.

90003231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42376.

The product of its (nonzero) digits is 972, while the sum is 24.

The spelling of 90003231321 in words is "ninety billion, three million, two hundred thirty-one thousand, three hundred twenty-one".