1131041313 has 14 divisors (see below), whose sum is σ = 1695787314. Its totient is φ = 754027056.

The previous prime is 1131041309. The next prime is 1131041363. The reversal of 1131041313 is 3131401311.

1131041313 is a `hidden beast` number, since 1 + 1 + 310 + 41 + 313 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1083265569 + 47775744 = 32913^2 + 6912^2 .

It is not a de Polignac number, because 1131041313 - 2² = 1131041309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131041363) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 775020 + ... + 776477.

Almost surely, 2^1131041313 is an apocalyptic number.

It is an amenable number.

1131041313 is a deficient number, since it is larger than the sum of its proper divisors (564746001).

1131041313 is an frugal number, since it uses more digits than its factorization.

1131041313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551515 (or 1551500 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1131041313 is about 33630.9576580864. The cubic root of 1131041313 is about 1041.9002834004.

Adding to 1131041313 its reverse (3131401311), we get a palindrome (4262442624).

The spelling of 1131041313 in words is "one billion, one hundred thirty-one million, forty-one thousand, three hundred thirteen".