1130001311 has 4 divisors (see below), whose sum is σ = 1130149032. Its totient is φ = 1129853592.

The previous prime is 1130001263. The next prime is 1130001331. The reversal of 1130001311 is 1131000311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130001311 - 2³⁰ = 56259487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130001292 and 1130001301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130001331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61721 + ... + 77906.

It is an arithmetic number, because the mean of its divisors is an integer number (282537258).

Almost surely, 2^1130001311 is an apocalyptic number.

1130001311 is a deficient number, since it is larger than the sum of its proper divisors (147721).

1130001311 is an equidigital number, since it uses as much as digits as its factorization.

1130001311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147720.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1130001311 is about 33615.4921278865. The cubic root of 1130001311 is about 1041.5808401123.

Adding to 1130001311 its reverse (1131000311), we get a palindrome (2261001622).

The spelling of 1130001311 in words is "one billion, one hundred thirty million, one thousand, three hundred eleven".