1231134116 has 12 divisors (see below), whose sum is σ = 2156719488. Its totient is φ = 614928552.

The previous prime is 1231134097. The next prime is 1231134119. The reversal of 1231134116 is 6114311321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231134091 and 1231134100.

It is not an unprimeable number, because it can be changed into a prime (1231134119) 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, 155276 + ... + 163011.

It is an arithmetic number, because the mean of its divisors is an integer number (179726624).

Almost surely, 2^1231134116 is an apocalyptic number.

It is an amenable number.

1231134116 is a deficient number, since it is larger than the sum of its proper divisors (925585372).

1231134116 is a wasteful number, since it uses less digits than its factorization.

1231134116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319258 (or 319256 counting only the distinct ones).

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

The square root of 1231134116 is about 35087.5208015613. The cubic root of 1231134116 is about 1071.7704744082.

Adding to 1231134116 its reverse (6114311321), we get a palindrome (7345445437).

The spelling of 1231134116 in words is "one billion, two hundred thirty-one million, one hundred thirty-four thousand, one hundred sixteen".