101231013 has 8 divisors (see below), whose sum is σ = 145357408. Its totient is φ = 62295984.

The previous prime is 101230999. The next prime is 101231021. The reversal of 101231013 is 310132101.

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

It is not a de Polignac number, because 101231013 - 2⁶ = 101230949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297795 + ... + 1297872.

It is an arithmetic number, because the mean of its divisors is an integer number (18169676).

Almost surely, 2^101231013 is an apocalyptic number.

101231013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101231013 is a deficient number, since it is larger than the sum of its proper divisors (44126395).

101231013 is a wasteful number, since it uses less digits than its factorization.

101231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595683.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 101231013 is about 10061.3623828983. The cubic root of 101231013 is about 466.0557397391.

Adding to 101231013 its reverse (310132101), we get a palindrome (411363114).

The spelling of 101231013 in words is "one hundred one million, two hundred thirty-one thousand, thirteen".