1200233111331 has 8 divisors (see below), whose sum is σ = 1600390938640. Its totient is φ = 800115345792.

The previous prime is 1200233111303. The next prime is 1200233111347. The reversal of 1200233111331 is 1331113320021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200233111331 - 2⁹ = 1200233110819 is a prime.

It is a super-2 number, since 2×1200233111331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200233111298 and 1200233111307.

It is not an unprimeable number, because it can be changed into a prime (1200233111381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9945466 + ... + 10065423.

It is an arithmetic number, because the mean of its divisors is an integer number (200048867330).

Almost surely, 2^{1200233111331} is an apocalyptic number.

1200233111331 is a deficient number, since it is larger than the sum of its proper divisors (400157827309).

1200233111331 is a wasteful number, since it uses less digits than its factorization.

1200233111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030885.

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

Adding to 1200233111331 its reverse (1331113320021), we get a palindrome (2531346431352).

The spelling of 1200233111331 in words is "one trillion, two hundred billion, two hundred thirty-three million, one hundred eleven thousand, three hundred thirty-one".