1231153114 has 16 divisors (see below), whose sum is σ = 1859188608. Its totient is φ = 611436672.

The previous prime is 1231153097. The next prime is 1231153169. The reversal of 1231153114 is 4113511321.

It is a happy number.

It is a super-2 number, since 2×1231153114² = 3031475980223793992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207274 + ... + 213130.

It is an arithmetic number, because the mean of its divisors is an integer number (116199288).

Almost surely, 2^1231153114 is an apocalyptic number.

1231153114 is a deficient number, since it is larger than the sum of its proper divisors (628035494).

1231153114 is a wasteful number, since it uses less digits than its factorization.

1231153114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549.

The product of its digits is 360, while the sum is 22.

The square root of 1231153114 is about 35087.7915235485. The cubic root of 1231153114 is about 1071.7759873171.

Adding to 1231153114 its reverse (4113511321), we get a palindrome (5344664435).

The spelling of 1231153114 in words is "one billion, two hundred thirty-one million, one hundred fifty-three thousand, one hundred fourteen".