2131294 has 12 divisors (see below), whose sum is σ = 3514392. Its totient is φ = 968660.

The previous prime is 2131291. The next prime is 2131319. The reversal of 2131294 is 4921312.

It is a super-2 number, since 2×2131294² = 9084828228872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4162 + ... + 4645.

It is an arithmetic number, because the mean of its divisors is an integer number (292866).

2^2131294 is an apocalyptic number.

2131294 is a deficient number, since it is larger than the sum of its proper divisors (1383098).

2131294 is a wasteful number, since it uses less digits than its factorization.

2131294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8831 (or 8820 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 2131294 is about 1459.8952017183. The cubic root of 2131294 is about 128.6908849804.

The spelling of 2131294 in words is "two million, one hundred thirty-one thousand, two hundred ninety-four".