1231232102033 has 4 divisors (see below), whose sum is σ = 1231235947008. Its totient is φ = 1231228257060.

The previous prime is 1231232102003. The next prime is 1231232102053. The reversal of 1231232102033 is 3302012321321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231232102033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231232102003) 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, 1393673 + ... + 2098758.

It is an arithmetic number, because the mean of its divisors is an integer number (307808986752).

Almost surely, 2^{1231232102033} is an apocalyptic number.

It is an amenable number.

1231232102033 is a deficient number, since it is larger than the sum of its proper divisors (3844975).

1231232102033 is an equidigital number, since it uses as much as digits as its factorization.

1231232102033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844974.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1231232102033 its reverse (3302012321321), we get a palindrome (4533244423354).

The spelling of 1231232102033 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-two million, one hundred two thousand, thirty-three".