1131013422 has 64 divisors (see below), whose sum is σ = 3133555200. Its totient is φ = 293768640.

The previous prime is 1131013409. The next prime is 1131013441. The reversal of 1131013422 is 2243101311.

1131013422 is a `hidden beast` number, since 11 + 310 + 1 + 342 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1131013395 and 1131013404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131847 + ... + 140162.

It is an arithmetic number, because the mean of its divisors is an integer number (48961800).

Almost surely, 2^1131013422 is an apocalyptic number.

1131013422 is an abundant number, since it is smaller than the sum of its proper divisors (2002541778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131013422 is a wasteful number, since it uses less digits than its factorization.

1131013422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272038 (or 272032 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1131013422 is about 33630.5429929402. The cubic root of 1131013422 is about 1041.8917190567.

Adding to 1131013422 its reverse (2243101311), we get a palindrome (3374114733).

The spelling of 1131013422 in words is "one billion, one hundred thirty-one million, thirteen thousand, four hundred twenty-two".