1230002331311 has 4 divisors (see below), whose sum is σ = 1324617895272. Its totient is φ = 1135386767352.

The previous prime is 1230002331281. The next prime is 1230002331373. The reversal of 1230002331311 is 1131332000321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230002331311 - 2¹⁰ = 1230002330287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230002334311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47307781961 + ... + 47307781986.

It is an arithmetic number, because the mean of its divisors is an integer number (331154473818).

Almost surely, 2^{1230002331311} is an apocalyptic number.

1230002331311 is a deficient number, since it is larger than the sum of its proper divisors (94615563961).

1230002331311 is an equidigital number, since it uses as much as digits as its factorization.

1230002331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94615563960.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1230002331311 its reverse (1131332000321), we get a palindrome (2361334331632).

The spelling of 1230002331311 in words is "one trillion, two hundred thirty billion, two million, three hundred thirty-one thousand, three hundred eleven".