1131054342 has 32 divisors (see below), whose sum is σ = 2520267264. Its totient is φ = 335450400.

The previous prime is 1131054311. The next prime is 1131054359. The reversal of 1131054342 is 2434501311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179209 + ... + 185412.

It is an arithmetic number, because the mean of its divisors is an integer number (78758352).

Almost surely, 2^1131054342 is an apocalyptic number.

1131054342 is an abundant number, since it is smaller than the sum of its proper divisors (1389212922).

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

1131054342 is a wasteful number, since it uses less digits than its factorization.

1131054342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364684.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1131054342 is about 33631.1513629849. The cubic root of 1131054342 is about 1041.9042840992.

Adding to 1131054342 its reverse (2434501311), we get a palindrome (3565555653).

The spelling of 1131054342 in words is "one billion, one hundred thirty-one million, fifty-four thousand, three hundred forty-two".