2117331 has 12 divisors (see below), whose sum is σ = 3157440. Its totient is φ = 1365840.

The previous prime is 2117321. The next prime is 2117351. The reversal of 2117331 is 1337112.

It is not a de Polignac number, because 2117331 - 2¹⁰ = 2116307 is a prime.

It is a super-2 number, since 2×2117331² = 8966181127122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2117321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3516 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (263120).

2^2117331 is an apocalyptic number.

2117331 is a deficient number, since it is larger than the sum of its proper divisors (1040109).

2117331 is a wasteful number, since it uses less digits than its factorization.

2117331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626 (or 7623 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 2117331 is about 1455.1051508396. The cubic root of 2117331 is about 128.4092330391.

The spelling of 2117331 in words is "two million, one hundred seventeen thousand, three hundred thirty-one".