1131311842 has 8 divisors (see below), whose sum is σ = 1700370000. Its totient is φ = 564521844.

The previous prime is 1131311827. The next prime is 1131311891. The reversal of 1131311842 is 2481131311.

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

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, 565792 + ... + 567787.

It is an arithmetic number, because the mean of its divisors is an integer number (212546250).

Almost surely, 2^1131311842 is an apocalyptic number.

1131311842 is a deficient number, since it is larger than the sum of its proper divisors (569058158).

1131311842 is a wasteful number, since it uses less digits than its factorization.

1131311842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134080.

The product of its digits is 576, while the sum is 25.

The square root of 1131311842 is about 33634.9794410521. The cubic root of 1131311842 is about 1041.9833460227.

The spelling of 1131311842 in words is "one billion, one hundred thirty-one million, three hundred eleven thousand, eight hundred forty-two".