101131302330 has 128 divisors (see below), whose sum is σ = 280945324800. Its totient is φ = 25864473600.

The previous prime is 101131302319. The next prime is 101131302331. The reversal of 101131302330 is 33203131101.

It is a happy number.

101131302330 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 31 + 302 + 330 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (101131302331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 575710 + ... + 730550.

It is an arithmetic number, because the mean of its divisors is an integer number (2194885350).

Almost surely, 2^101131302330 is an apocalyptic number.

101131302330 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 101131302330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140472662400).

101131302330 is an abundant number, since it is smaller than the sum of its proper divisors (179814022470).

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

101131302330 is a wasteful number, since it uses less digits than its factorization.

101131302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154957 (or 154951 counting only the distinct ones).

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

Adding to 101131302330 its reverse (33203131101), we get a palindrome (134334433431).

The spelling of 101131302330 in words is "one hundred one billion, one hundred thirty-one million, three hundred two thousand, three hundred thirty".