901331 has 4 divisors (see below), whose sum is σ = 913752. Its totient is φ = 888912.

The previous prime is 901309. The next prime is 901333. The reversal of 901331 is 133109.

901331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 901331 - 2¹⁰ = 900307 is a prime.

It is a super-2 number, since 2×901331² = 1624795143122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (901333) 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, 6101 + ... + 6246.

It is an arithmetic number, because the mean of its divisors is an integer number (228438).

2⁹⁰¹³³¹ is an apocalyptic number.

901331 is a deficient number, since it is larger than the sum of its proper divisors (12421).

901331 is a wasteful number, since it uses less digits than its factorization.

901331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 901331 is about 949.3845374768. The cubic root of 901331 is about 96.5965100680.

The spelling of 901331 in words is "nine hundred one thousand, three hundred thirty-one".