1131504342 has 16 divisors (see below), whose sum is σ = 2268240240. Its totient is φ = 376296192.

The previous prime is 1131504329. The next prime is 1131504373. The reversal of 1131504342 is 2434051311.

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 7 ways as a sum of consecutive naturals, for example, 215167 + ... + 220362.

It is an arithmetic number, because the mean of its divisors is an integer number (141765015).

Almost surely, 2^1131504342 is an apocalyptic number.

1131504342 is an abundant number, since it is smaller than the sum of its proper divisors (1136735898).

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

1131504342 is a wasteful number, since it uses less digits than its factorization.

1131504342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435967.

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

The square root of 1131504342 is about 33637.8409235789. The cubic root of 1131504342 is about 1042.0424427312.

Adding to 1131504342 its reverse (2434051311), we get a palindrome (3565555653).

The spelling of 1131504342 in words is "one billion, one hundred thirty-one million, five hundred four thousand, three hundred forty-two".