1231334016 has 64 divisors (see below), whose sum is σ = 3568082400. Its totient is φ = 373130240.

The previous prime is 1231333951. The next prime is 1231334029. The reversal of 1231334016 is 6104331321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141531 + ... + 149978.

Almost surely, 2^1231334016 is an apocalyptic number.

1231334016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1231334016 is an abundant number, since it is smaller than the sum of its proper divisors (2336748384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231334016 is a wasteful number, since it uses less digits than its factorization.

1231334016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291537 (or 291525 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1231334016 is about 35090.3692770538. The cubic root of 1231334016 is about 1071.8284792782.

Adding to 1231334016 its reverse (6104331321), we get a palindrome (7335665337).

The spelling of 1231334016 in words is "one billion, two hundred thirty-one million, three hundred thirty-four thousand, sixteen".