2134431 has 20 divisors (see below), whose sum is σ = 3435432. Its totient is φ = 1312848.

The previous prime is 2134417. The next prime is 2134439. The reversal of 2134431 is 1344312.

It is not a de Polignac number, because 2134431 - 2⁵ = 2134399 is a prime.

It is a super-2 number, since 2×2134431² = 9111591387522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134439) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40 + ... + 2066.

2^2134431 is an apocalyptic number.

2134431 is a deficient number, since it is larger than the sum of its proper divisors (1301001).

2134431 is a wasteful number, since it uses less digits than its factorization.

2134431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2043 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2134431 is about 1460.9691988540. The cubic root of 2134431 is about 128.7539930266.

Adding to 2134431 its reverse (1344312), we get a palindrome (3478743).

It can be divided in two parts, 213443 and 1, that added together give a square (213444 = 462²).

The spelling of 2134431 in words is "two million, one hundred thirty-four thousand, four hundred thirty-one".