90231101333 has 4 divisors (see below), whose sum is σ = 90266641920. Its totient is φ = 90195560748.

The previous prime is 90231101291. The next prime is 90231101339. The reversal of 90231101333 is 33310113209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90231101333 - 2⁶ = 90231101269 is a prime.

It is a super-2 number, since 2×90231101333² (a number of 23 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 (90231101339) 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, 17766485 + ... + 17771562.

It is an arithmetic number, because the mean of its divisors is an integer number (22566660480).

Almost surely, 2^90231101333 is an apocalyptic number.

It is an amenable number.

90231101333 is a deficient number, since it is larger than the sum of its proper divisors (35540587).

90231101333 is a wasteful number, since it uses less digits than its factorization.

90231101333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35540586.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 90231101333 in words is "ninety billion, two hundred thirty-one million, one hundred one thousand, three hundred thirty-three".