1203411131 has 16 divisors (see below), whose sum is σ = 1340061408. Its totient is φ = 1073568000.

The previous prime is 1203411119. The next prime is 1203411137. The reversal of 1203411131 is 1311143021.

It is a cyclic number.

It is not a de Polignac number, because 1203411131 - 2⁶ = 1203411067 is a prime.

It is a super-2 number, since 2×1203411131² = 2896396700429398322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203411137) 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, 46481 + ... + 67581.

It is an arithmetic number, because the mean of its divisors is an integer number (83753838).

Almost surely, 2^1203411131 is an apocalyptic number.

1203411131 is a deficient number, since it is larger than the sum of its proper divisors (136650277).

1203411131 is a wasteful number, since it uses less digits than its factorization.

1203411131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21262.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1203411131 is about 34690.2166467723. The cubic root of 1203411131 is about 1063.6645242681.

Adding to 1203411131 its reverse (1311143021), we get a palindrome (2514554152).

The spelling of 1203411131 in words is "one billion, two hundred three million, four hundred eleven thousand, one hundred thirty-one".