1131123310 has 8 divisors (see below), whose sum is σ = 2036021976. Its totient is φ = 452449320.

The previous prime is 1131123289. The next prime is 1131123311. The reversal of 1131123310 is 133211311.

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

It is a super-2 number, since 2×1131123310² = 2558879884850712200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131123311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56556156 + ... + 56556175.

It is an arithmetic number, because the mean of its divisors is an integer number (254502747).

Almost surely, 2^1131123310 is an apocalyptic number.

1131123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131123310 is a deficient number, since it is larger than the sum of its proper divisors (904898666).

1131123310 is a wasteful number, since it uses less digits than its factorization.

1131123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113112338.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1131123310 is about 33632.1767062437. The cubic root of 1131123310 is about 1041.9254609756.

Adding to 1131123310 its reverse (133211311), we get a palindrome (1264334621).

The spelling of 1131123310 in words is "one billion, one hundred thirty-one million, one hundred twenty-three thousand, three hundred ten".