101310520 has 16 divisors (see below), whose sum is σ = 227948760. Its totient is φ = 40524192.

The previous prime is 101310487. The next prime is 101310523. The reversal of 101310520 is 25013101.

It is a self number, because there is not a number n which added to its sum of digits gives 101310520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101310523) 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, 1266342 + ... + 1266421.

Almost surely, 2^101310520 is an apocalyptic number.

101310520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101310520 is an abundant number, since it is smaller than the sum of its proper divisors (126638240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101310520 is a wasteful number, since it uses less digits than its factorization.

101310520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532774 (or 2532770 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 101310520 is about 10065.3127124794. The cubic root of 101310520 is about 466.1777214517.

Adding to 101310520 its reverse (25013101), we get a palindrome (126323621).

The spelling of 101310520 in words is "one hundred one million, three hundred ten thousand, five hundred twenty".