2143401303 has 16 divisors (see below), whose sum is σ = 2990750976. Its totient is φ = 1362852480.

The previous prime is 2143401283. The next prime is 2143401307. The reversal of 2143401303 is 3031043412.

It is not a de Polignac number, because 2143401303 - 2¹³ = 2143393111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2143401303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143401307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20818 + ... + 68703.

It is an arithmetic number, because the mean of its divisors is an integer number (186921936).

Almost surely, 2^2143401303 is an apocalyptic number.

2143401303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2143401303 is a deficient number, since it is larger than the sum of its proper divisors (847349673).

2143401303 is a wasteful number, since it uses less digits than its factorization.

2143401303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89894.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2143401303 is about 46296.8822168405. The cubic root of 2143401303 is about 1289.3411099452.

Adding to 2143401303 its reverse (3031043412), we get a palindrome (5174444715).

The spelling of 2143401303 in words is "two billion, one hundred forty-three million, four hundred one thousand, three hundred three".