11311231333351 has 2 divisors, whose sum is σ = 11311231333352. Its totient is φ = 11311231333350.

The previous prime is 11311231333319. The next prime is 11311231333393. The reversal of 11311231333351 is 15333313211311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11311231333351 - 2⁵ = 11311231333319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311231343351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655615666675 + 5655615666676.

It is an arithmetic number, because the mean of its divisors is an integer number (5655615666676).

Almost surely, 2^{11311231333351} is an apocalyptic number.

11311231333351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311231333351 is an equidigital number, since it uses as much as digits as its factorization.

11311231333351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 31.

Adding to 11311231333351 its reverse (15333313211311), we get a palindrome (26644544544662).

The spelling of 11311231333351 in words is "eleven trillion, three hundred eleven billion, two hundred thirty-one million, three hundred thirty-three thousand, three hundred fifty-one".