2143336631 has 2 divisors, whose sum is σ = 2143336632. Its totient is φ = 2143336630.

The previous prime is 2143336619. The next prime is 2143336697. The reversal of 2143336631 is 1366333412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143336631 - 2¹⁴ = 2143320247 is a prime.

It is a super-2 number, since 2×2143336631² = 9187783827572860322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143335631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071668315 + 1071668316.

It is an arithmetic number, because the mean of its divisors is an integer number (1071668316).

Almost surely, 2^2143336631 is an apocalyptic number.

2143336631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143336631 is an equidigital number, since it uses as much as digits as its factorization.

2143336631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 32.

The square root of 2143336631 is about 46296.1837628114. The cubic root of 2143336631 is about 1289.3281422216.

The spelling of 2143336631 in words is "two billion, one hundred forty-three million, three hundred thirty-six thousand, six hundred thirty-one".