101308913 has 4 divisors (see below), whose sum is σ = 101751540. Its totient is φ = 100866288.

The previous prime is 101308877. The next prime is 101308957. The reversal of 101308913 is 319803101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95394289 + 5914624 = 9767^2 + 2432^2 .

It is a cyclic number.

It is not a de Polignac number, because 101308913 - 2⁸ = 101308657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101308213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220970 + ... + 221427.

It is an arithmetic number, because the mean of its divisors is an integer number (25437885).

Almost surely, 2^101308913 is an apocalyptic number.

It is an amenable number.

101308913 is a deficient number, since it is larger than the sum of its proper divisors (442627).

101308913 is an equidigital number, since it uses as much as digits as its factorization.

101308913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442626.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 101308913 is about 10065.2328835452. The cubic root of 101308913 is about 466.1752565824.

It can be divided in two parts, 101 and 308913, that multiplied together give a palindrome (31200213).

The spelling of 101308913 in words is "one hundred one million, three hundred eight thousand, nine hundred thirteen".