1131141342 has 32 divisors (see below), whose sum is σ = 2397015072. Its totient is φ = 354622464.

The previous prime is 1131141329. The next prime is 1131141353. The reversal of 1131141342 is 2431411311.

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, 194298 + ... + 200034.

It is an arithmetic number, because the mean of its divisors is an integer number (74906721).

Almost surely, 2^1131141342 is an apocalyptic number.

1131141342 is an abundant number, since it is smaller than the sum of its proper divisors (1265873730).

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

1131141342 is a wasteful number, since it uses less digits than its factorization.

1131141342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692.

The product of its digits is 288, while the sum is 21.

The square root of 1131141342 is about 33632.4447817877. Note that the first 3 decimals coincide. The cubic root of 1131141342 is about 1041.9309976251.

Adding to 1131141342 its reverse (2431411311), we get a palindrome (3562552653).

The spelling of 1131141342 in words is "one billion, one hundred thirty-one million, one hundred forty-one thousand, three hundred forty-two".