1200031303131 has 24 divisors (see below), whose sum is σ = 1780292561424. Its totient is φ = 778369849920.

The previous prime is 1200031303129. The next prime is 1200031303139. The reversal of 1200031303131 is 1313031300021.

It is a happy number.

1200031303131 is a `hidden beast` number, since 1 + 200 + 0 + 31 + 303 + 131 = 666.

It is not a de Polignac number, because 1200031303131 - 2¹ = 1200031303129 is a prime.

It is a super-2 number, since 2×1200031303131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200031303139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12463185 + ... + 12559101.

It is an arithmetic number, because the mean of its divisors is an integer number (74178856726).

Almost surely, 2^{1200031303131} is an apocalyptic number.

1200031303131 is a deficient number, since it is larger than the sum of its proper divisors (580261258293).

1200031303131 is a wasteful number, since it uses less digits than its factorization.

1200031303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133531 (or 133528 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1200031303131 its reverse (1313031300021), we get a palindrome (2513062603152).

The spelling of 1200031303131 in words is "one trillion, two hundred billion, thirty-one million, three hundred three thousand, one hundred thirty-one".