101131232321 has 8 divisors (see below), whose sum is σ = 115580982720. Its totient is φ = 86682089808.

The previous prime is 101131232269. The next prime is 101131232333. The reversal of 101131232321 is 123232131101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101131232321 - 2²² = 101127038017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101131232293 and 101131232302.

It is not an unprimeable number, because it can be changed into a prime (101131232821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290375 + ... + 535331.

It is an arithmetic number, because the mean of its divisors is an integer number (14447622840).

Almost surely, 2^101131232321 is an apocalyptic number.

It is an amenable number.

101131232321 is a deficient number, since it is larger than the sum of its proper divisors (14449750399).

101131232321 is an equidigital number, since it uses as much as digits as its factorization.

101131232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303943.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101131232321 its reverse (123232131101), we get a palindrome (224363363422).

The spelling of 101131232321 in words is "one hundred one billion, one hundred thirty-one million, two hundred thirty-two thousand, three hundred twenty-one".