2303213131111 has 2 divisors, whose sum is σ = 2303213131112. Its totient is φ = 2303213131110.

The previous prime is 2303213131097. The next prime is 2303213131127. The reversal of 2303213131111 is 1111313123032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2303213131111 - 2³⁷ = 2165774177639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2303213131411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151606565555 + 1151606565556.

It is an arithmetic number, because the mean of its divisors is an integer number (1151606565556).

Almost surely, 2^{2303213131111} is an apocalyptic number.

2303213131111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303213131111 is an equidigital number, since it uses as much as digits as its factorization.

2303213131111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 2303213131111 its reverse (1111313123032), we get a palindrome (3414526254143).

The spelling of 2303213131111 in words is "two trillion, three hundred three billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred eleven".