101321331030 has 48 divisors (see below), whose sum is σ = 273192336144. Its totient is φ = 27019020960.

The previous prime is 101321330977. The next prime is 101321331077. The reversal of 101321331030 is 30133123101.

It is a happy number.

101321331030 is a `hidden beast` number, since 1 + 0 + 1 + 321 + 3 + 310 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 101321330994 and 101321331012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20845581 + ... + 20850440.

It is an arithmetic number, because the mean of its divisors is an integer number (5691507003).

Almost surely, 2^101321331030 is an apocalyptic number.

101321331030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101321331030 is an abundant number, since it is smaller than the sum of its proper divisors (171871005114).

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

101321331030 is an equidigital number, since it uses as much as digits as its factorization.

101321331030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41696043 (or 41696031 counting only the distinct ones).

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

Adding to 101321331030 its reverse (30133123101), we get a palindrome (131454454131).

The spelling of 101321331030 in words is "one hundred one billion, three hundred twenty-one million, three hundred thirty-one thousand, thirty".