2131430 has 16 divisors (see below), whose sum is σ = 4384800. Its totient is φ = 730752.

The previous prime is 2131429. The next prime is 2131447. The reversal of 2131430 is 341312.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15155 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (274050).

2^2131430 is an apocalyptic number.

2131430 is an abundant number, since it is smaller than the sum of its proper divisors (2253370).

2131430 is a wasteful number, since it uses less digits than its factorization.

2131430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30463.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2131430 is about 1459.9417796611. The cubic root of 2131430 is about 128.6936222202.

Adding to 2131430 its reverse (341312), we get a palindrome (2472742).

It can be divided in two parts, 213 and 1430, that multiplied together give a triangular number (304590 = T₇₈₀).

The spelling of 2131430 in words is "two million, one hundred thirty-one thousand, four hundred thirty".