200311314132421 has 2 divisors, whose sum is σ = 200311314132422. Its totient is φ = 200311314132420.

The previous prime is 200311314132337. The next prime is 200311314132437. The reversal of 200311314132421 is 124231413113002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189494358833025 + 10816955299396 = 13765695^2 + 3288914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200311314132421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200311314132421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200311314132521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100155657066210 + 100155657066211.

It is an arithmetic number, because the mean of its divisors is an integer number (100155657066211).

Almost surely, 2^{200311314132421} is an apocalyptic number.

It is an amenable number.

200311314132421 is a deficient number, since it is larger than the sum of its proper divisors (1).

200311314132421 is an equidigital number, since it uses as much as digits as its factorization.

200311314132421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 200311314132421 its reverse (124231413113002), we get a palindrome (324542727245423).

The spelling of 200311314132421 in words is "two hundred trillion, three hundred eleven billion, three hundred fourteen million, one hundred thirty-two thousand, four hundred twenty-one".