1203230201311 has 4 divisors (see below), whose sum is σ = 1203235489624. Its totient is φ = 1203224913000.

The previous prime is 1203230201309. The next prime is 1203230201333. The reversal of 1203230201311 is 1131020323021.

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 1203230201311 - 2¹ = 1203230201309 is a prime.

It is a super-2 number, since 2×1203230201311² (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 (1203230204311) 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, 2286765 + ... + 2763286.

It is an arithmetic number, because the mean of its divisors is an integer number (300808872406).

Almost surely, 2^{1203230201311} is an apocalyptic number.

1203230201311 is a deficient number, since it is larger than the sum of its proper divisors (5288313).

1203230201311 is an equidigital number, since it uses as much as digits as its factorization.

1203230201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288312.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1203230201311 its reverse (1131020323021), we get a palindrome (2334250524332).

The spelling of 1203230201311 in words is "one trillion, two hundred three billion, two hundred thirty million, two hundred one thousand, three hundred eleven".