2143314251 has 8 divisors (see below), whose sum is σ = 2318355984. Its totient is φ = 1969725600.

The previous prime is 2143314241. The next prime is 2143314263. The reversal of 2143314251 is 1524133412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143314251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2143314251.

It is not an unprimeable number, because it can be changed into a prime (2143314211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360200 + ... + 366101.

It is an arithmetic number, because the mean of its divisors is an integer number (289794498).

Almost surely, 2^2143314251 is an apocalyptic number.

2143314251 is a deficient number, since it is larger than the sum of its proper divisors (175041733).

2143314251 is a wasteful number, since it uses less digits than its factorization.

2143314251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726541.

The product of its digits is 2880, while the sum is 26.

The square root of 2143314251 is about 46295.9420575929. The cubic root of 2143314251 is about 1289.3236546291.

Adding to 2143314251 its reverse (1524133412), we get a palindrome (3667447663).

The spelling of 2143314251 in words is "two billion, one hundred forty-three million, three hundred fourteen thousand, two hundred fifty-one".