1231010016 has 24 divisors (see below), whose sum is σ = 3231401544. Its totient is φ = 410336640.

The previous prime is 1231010003. The next prime is 1231010051. The reversal of 1231010016 is 6100101321.

1231010016 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1231009977 and 1231010004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6411415 + ... + 6411606.

It is an arithmetic number, because the mean of its divisors is an integer number (134641731).

Almost surely, 2^1231010016 is an apocalyptic number.

1231010016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1231010016 is an abundant number, since it is smaller than the sum of its proper divisors (2000391528).

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

1231010016 is a wasteful number, since it uses less digits than its factorization.

1231010016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823034 (or 12823026 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1231010016 is about 35085.7523219896. The cubic root of 1231010016 is about 1071.7344612223.

Adding to 1231010016 its reverse (6100101321), we get a palindrome (7331111337).

The spelling of 1231010016 in words is "one billion, two hundred thirty-one million, ten thousand, sixteen".