1231316114 has 16 divisors (see below), whose sum is σ = 2111342208. Its totient is φ = 527578272.

The previous prime is 1231316077. The next prime is 1231316117. The reversal of 1231316114 is 4116131321.

It is a happy number.

It is a super-2 number, since 2×1231316114² = 3032278745192121992, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231316114.

It is not an unprimeable number, because it can be changed into a prime (1231316117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69422 + ... + 85334.

It is an arithmetic number, because the mean of its divisors is an integer number (131958888).

Almost surely, 2^1231316114 is an apocalyptic number.

1231316114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1231316114 is a deficient number, since it is larger than the sum of its proper divisors (880026094).

1231316114 is a wasteful number, since it uses less digits than its factorization.

1231316114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21449.

The product of its digits is 432, while the sum is 23.

The square root of 1231316114 is about 35090.1141918917. The cubic root of 1231316114 is about 1071.8232849209.

Adding to 1231316114 its reverse (4116131321), we get a palindrome (5347447435).

The spelling of 1231316114 in words is "one billion, two hundred thirty-one million, three hundred sixteen thousand, one hundred fourteen".