101321231 has 8 divisors (see below), whose sum is σ = 112406400. Its totient is φ = 90548440.

The previous prime is 101321221. The next prime is 101321251. The reversal of 101321231 is 132123101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101321231 is a prime.

It is a super-2 number, since 2×101321231² = 20531983702710722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321221) 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, 77411 + ... + 78708.

It is an arithmetic number, because the mean of its divisors is an integer number (14050800).

Almost surely, 2^101321231 is an apocalyptic number.

101321231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101321231 is a deficient number, since it is larger than the sum of its proper divisors (11085169).

101321231 is a wasteful number, since it uses less digits than its factorization.

101321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156189.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 101321231 is about 10065.8447732915. The cubic root of 101321231 is about 466.1941496687.

Adding to 101321231 its reverse (132123101), we get a palindrome (233444332).

The spelling of 101321231 in words is "one hundred one million, three hundred twenty-one thousand, two hundred thirty-one".