101132331321 has 20 divisors (see below), whose sum is σ = 157307610832. Its totient is φ = 57789899496.

The previous prime is 101132331319. The next prime is 101132331323. The reversal of 101132331321 is 123133231101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101132331319) and next prime (101132331323).

It is not a de Polignac number, because 101132331321 - 2¹ = 101132331319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101132331323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7012951 + ... + 7027356.

Almost surely, 2^101132331321 is an apocalyptic number.

It is an amenable number.

101132331321 is a deficient number, since it is larger than the sum of its proper divisors (56175279511).

101132331321 is an frugal number, since it uses more digits than its factorization.

101132331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040338 (or 14040317 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 101132331321 its reverse (123133231101), we get a palindrome (224265562422).

The spelling of 101132331321 in words is "one hundred one billion, one hundred thirty-two million, three hundred thirty-one thousand, three hundred twenty-one".