901345331 has 4 divisors (see below), whose sum is σ = 907924632. Its totient is φ = 894766032.

The previous prime is 901345327. The next prime is 901345337. The reversal of 901345331 is 133543109.

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 901345331 - 2² = 901345327 is a prime.

It is a super-2 number, since 2×901345331² = 1624846811430999122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 901345294 and 901345303.

It is not an unprimeable number, because it can be changed into a prime (901345337) 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, 3289445 + ... + 3289718.

It is an arithmetic number, because the mean of its divisors is an integer number (226981158).

Almost surely, 2^901345331 is an apocalyptic number.

901345331 is a deficient number, since it is larger than the sum of its proper divisors (6579301).

901345331 is a wasteful number, since it uses less digits than its factorization.

901345331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579300.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 901345331 is about 30022.4138103518. The cubic root of 901345331 is about 965.9702202097.

The spelling of 901345331 in words is "nine hundred one million, three hundred forty-five thousand, three hundred thirty-one".