1121131313 has 8 divisors (see below), whose sum is σ = 1143460800. Its totient is φ = 1098845488.

The previous prime is 1121131273. The next prime is 1121131321. The reversal of 1121131313 is 3131311211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121131313 - 2⁸ = 1121131057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121131291 and 1121131300.

It is not an unprimeable number, because it can be changed into a prime (1121131013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43628 + ... + 64386.

It is an arithmetic number, because the mean of its divisors is an integer number (142932600).

Almost surely, 2^1121131313 is an apocalyptic number.

It is an amenable number.

1121131313 is a deficient number, since it is larger than the sum of its proper divisors (22329487).

1121131313 is a wasteful number, since it uses less digits than its factorization.

1121131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21831.

The product of its digits is 54, while the sum is 17.

The square root of 1121131313 is about 33483.2990160767. The cubic root of 1121131313 is about 1038.8483655665.

Adding to 1121131313 its reverse (3131311211), we get a palindrome (4252442524).

It can be divided in two parts, 11211 and 31313, that added together give a palindrome (42524).

The spelling of 1121131313 in words is "one billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred thirteen".