200312001311021 has 2 divisors, whose sum is σ = 200312001311022. Its totient is φ = 200312001311020.

The previous prime is 200312001311003. The next prime is 200312001311039. The reversal of 200312001311021 is 120113100213002.

It is a balanced prime because it is at equal distance from previous prime (200312001311003) and next prime (200312001311039).

It can be written as a sum of positive squares in only one way, i.e., 158044774555396 + 42267226755625 = 12571586^2 + 6501325^2 .

It is a cyclic number.

It is not a de Polignac number, because 200312001311021 - 2²⁶ = 200311934202157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200312001011021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100156000655510 + 100156000655511.

It is an arithmetic number, because the mean of its divisors is an integer number (100156000655511).

Almost surely, 2^{200312001311021} is an apocalyptic number.

It is an amenable number.

200312001311021 is a deficient number, since it is larger than the sum of its proper divisors (1).

200312001311021 is an equidigital number, since it uses as much as digits as its factorization.

200312001311021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 200312001311021 its reverse (120113100213002), we get a palindrome (320425101524023).

The spelling of 200312001311021 in words is "two hundred trillion, three hundred twelve billion, one million, three hundred eleven thousand, twenty-one".