1203031133211 has 4 divisors (see below), whose sum is σ = 1604041510952. Its totient is φ = 802020755472.

The previous prime is 1203031133207. The next prime is 1203031133243. The reversal of 1203031133211 is 1123311303021.

It is a happy number.

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

It is not a de Polignac number, because 1203031133211 - 2² = 1203031133207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203031133251) 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, 200505188866 + ... + 200505188871.

It is an arithmetic number, because the mean of its divisors is an integer number (401010377738).

Almost surely, 2^{1203031133211} is an apocalyptic number.

1203031133211 is a deficient number, since it is larger than the sum of its proper divisors (401010377741).

1203031133211 is an equidigital number, since it uses as much as digits as its factorization.

1203031133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401010377740.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1203031133211 its reverse (1123311303021), we get a palindrome (2326342436232).

The spelling of 1203031133211 in words is "one trillion, two hundred three billion, thirty-one million, one hundred thirty-three thousand, two hundred eleven".