1230231232331 has 4 divisors (see below), whose sum is σ = 1230394206000. Its totient is φ = 1230068258664.

The previous prime is 1230231232289. The next prime is 1230231232369. The reversal of 1230231232331 is 1332321320321.

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 1230231232331 - 2⁶ = 1230231232267 is a prime.

It is a super-2 number, since 2×1230231232331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230231232331.

It is not an unprimeable number, because it can be changed into a prime (1230231237331) 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, 81475511 + ... + 81490608.

It is an arithmetic number, because the mean of its divisors is an integer number (307598551500).

Almost surely, 2^{1230231232331} is an apocalyptic number.

1230231232331 is a deficient number, since it is larger than the sum of its proper divisors (162973669).

1230231232331 is an equidigital number, since it uses as much as digits as its factorization.

1230231232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162973668.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1230231232331 its reverse (1332321320321), we get a palindrome (2562552552652).

The spelling of 1230231232331 in words is "one trillion, two hundred thirty billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred thirty-one".