1200113234431 has 16 divisors (see below), whose sum is σ = 1284050202624. Its totient is φ = 1117719391104.

The previous prime is 1200113234401. The next prime is 1200113234447. The reversal of 1200113234431 is 1344323110021.

It is a cyclic number.

It is not a de Polignac number, because 1200113234431 - 2¹³ = 1200113226239 is a prime.

It is a super-2 number, since 2×1200113234431² (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 = 1200113234396 and 1200113234405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200113234401) 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, 314715 + ... + 1580908.

It is an arithmetic number, because the mean of its divisors is an integer number (80253137664).

Almost surely, 2^{1200113234431} is an apocalyptic number.

1200113234431 is a deficient number, since it is larger than the sum of its proper divisors (83936968193).

1200113234431 is a wasteful number, since it uses less digits than its factorization.

1200113234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896030.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1200113234431 its reverse (1344323110021), we get a palindrome (2544436344452).

The spelling of 1200113234431 in words is "one trillion, two hundred billion, one hundred thirteen million, two hundred thirty-four thousand, four hundred thirty-one".