10131321330 has 96 divisors (see below), whose sum is σ = 28481544000. Its totient is φ = 2483856000.

The previous prime is 10131321307. The next prime is 10131321367. The reversal of 10131321330 is 3312313101.

It is a happy number.

10131321330 is a `hidden beast` number, since 1 + 0 + 1 + 313 + 21 + 330 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276421 + ... + 310919.

It is an arithmetic number, because the mean of its divisors is an integer number (296682750).

Almost surely, 2^10131321330 is an apocalyptic number.

10131321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131321330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14240772000).

10131321330 is an abundant number, since it is smaller than the sum of its proper divisors (18350222670).

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

10131321330 is a wasteful number, since it uses less digits than its factorization.

10131321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776 (or 34773 counting only the distinct ones).

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

Adding to 10131321330 its reverse (3312313101), we get a palindrome (13443634431).

The spelling of 10131321330 in words is "ten billion, one hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty".