1230321002231 has 4 divisors (see below), whose sum is σ = 1230863235000. Its totient is φ = 1229778769464.

The previous prime is 1230321002227. The next prime is 1230321002249. The reversal of 1230321002231 is 1322001230321.

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 1230321002231 - 2² = 1230321002227 is a prime.

It is a super-2 number, since 2×1230321002231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230321002531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271112981 + ... + 271117518.

It is an arithmetic number, because the mean of its divisors is an integer number (307715808750).

Almost surely, 2^{1230321002231} is an apocalyptic number.

1230321002231 is a deficient number, since it is larger than the sum of its proper divisors (542232769).

1230321002231 is an equidigital number, since it uses as much as digits as its factorization.

1230321002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542232768.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1230321002231 its reverse (1322001230321), we get a palindrome (2552322232552).

The spelling of 1230321002231 in words is "one trillion, two hundred thirty billion, three hundred twenty-one million, two thousand, two hundred thirty-one".