1131232342 has 8 divisors (see below), whose sum is σ = 1697985000. Its totient is φ = 565237344.

The previous prime is 1131232301. The next prime is 1131232351. The reversal of 1131232342 is 2432321311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1131232342² = 2559373223173609928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185667 + ... + 191662.

It is an arithmetic number, because the mean of its divisors is an integer number (212248125).

Almost surely, 2^1131232342 is an apocalyptic number.

1131232342 is a deficient number, since it is larger than the sum of its proper divisors (566752658).

1131232342 is a wasteful number, since it uses less digits than its factorization.

1131232342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378830.

The product of its digits is 864, while the sum is 22.

The square root of 1131232342 is about 33633.7976148992. The cubic root of 1131232342 is about 1041.9589378936.

Adding to 1131232342 its reverse (2432321311), we get a palindrome (3563553653).

The spelling of 1131232342 in words is "one billion, one hundred thirty-one million, two hundred thirty-two thousand, three hundred forty-two".