2143313403 has 32 divisors (see below), whose sum is σ = 3772500480. Its totient is φ = 1047912960.

The previous prime is 2143313329. The next prime is 2143313407. The reversal of 2143313403 is 3043133412.

It is not a de Polignac number, because 2143313403 - 2⁸ = 2143313147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143313407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268968 + ... + 276821.

It is an arithmetic number, because the mean of its divisors is an integer number (117890640).

Almost surely, 2^2143313403 is an apocalyptic number.

2143313403 is a deficient number, since it is larger than the sum of its proper divisors (1629187077).

2143313403 is a wasteful number, since it uses less digits than its factorization.

2143313403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545827.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2143313403 is about 46295.9328991219. The cubic root of 2143313403 is about 1289.3234845892.

Adding to 2143313403 its reverse (3043133412), we get a palindrome (5186446815).

Subtracting 2143313403 from its reverse (3043133412), we obtain a square (899820009 = 29997²).

The spelling of 2143313403 in words is "two billion, one hundred forty-three million, three hundred thirteen thousand, four hundred three".