13123331010 has 24 divisors (see below), whose sum is σ = 34120660860. Its totient is φ = 3499554912.

The previous prime is 13123331009. The next prime is 13123331017. The reversal of 13123331010 is 1013332131.

It is a happy number.

13123331010 is a `hidden beast` number, since 1 + 312 + 33 + 310 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11899100889 + 1224230121 = 109083^2 + 34989^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13123331017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72907305 + ... + 72907484.

Almost surely, 2^13123331010 is an apocalyptic number.

13123331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123331010 is an abundant number, since it is smaller than the sum of its proper divisors (20997329850).

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

13123331010 is a wasteful number, since it uses less digits than its factorization.

13123331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145814802 (or 145814799 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13123331010 its reverse (1013332131), we get a palindrome (14136663141).

The spelling of 13123331010 in words is "thirteen billion, one hundred twenty-three million, three hundred thirty-one thousand, ten".