1201331031233 has 16 divisors (see below), whose sum is σ = 1297741906944. Its totient is φ = 1107957354240.

The previous prime is 1201331031227. The next prime is 1201331031239. The reversal of 1201331031233 is 3321301331021.

It is an interprime number because it is at equal distance from previous prime (1201331031227) and next prime (1201331031239).

It is a cyclic number.

It is not a de Polignac number, because 1201331031233 - 2⁶ = 1201331031169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201331031199 and 1201331031208.

It is not an unprimeable number, because it can be changed into a prime (1201331031239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543510 + ... + 2978607.

It is an arithmetic number, because the mean of its divisors is an integer number (81108869184).

Almost surely, 2^{1201331031233} is an apocalyptic number.

It is an amenable number.

1201331031233 is a deficient number, since it is larger than the sum of its proper divisors (96410875711).

1201331031233 is a wasteful number, since it uses less digits than its factorization.

1201331031233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522392.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1201331031233 its reverse (3321301331021), we get a palindrome (4522632362254).

The spelling of 1201331031233 in words is "one trillion, two hundred one billion, three hundred thirty-one million, thirty-one thousand, two hundred thirty-three".