1200231303131 has 16 divisors (see below), whose sum is σ = 1399831012800. Its totient is φ = 1007878215168.

The previous prime is 1200231303121. The next prime is 1200231303199. The reversal of 1200231303131 is 1313031320021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200231303131 is a prime.

It is a super-3 number, since 3×1200231303131³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200231303101) 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, 8769410 + ... + 8905223.

It is an arithmetic number, because the mean of its divisors is an integer number (87489438300).

Almost surely, 2^{1200231303131} is an apocalyptic number.

1200231303131 is a deficient number, since it is larger than the sum of its proper divisors (199599709669).

1200231303131 is a wasteful number, since it uses less digits than its factorization.

1200231303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17674838.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1200231303131 its reverse (1313031320021), we get a palindrome (2513262623152).

The spelling of 1200231303131 in words is "one trillion, two hundred billion, two hundred thirty-one million, three hundred three thousand, one hundred thirty-one".