101315250 has 96 divisors (see below), whose sum is σ = 281591856. Its totient is φ = 26265600.

The previous prime is 101315233. The next prime is 101315261. The reversal of 101315250 is 52513101.

101315250 is a `hidden beast` number, since 10 + 131 + 525 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 10246401 + 91068849 = 3201^2 + 9543^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82642 + ... + 83858.

Almost surely, 2^101315250 is an apocalyptic number.

101315250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101315250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140795928).

101315250 is an abundant number, since it is smaller than the sum of its proper divisors (180276606).

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

101315250 is a wasteful number, since it uses less digits than its factorization.

101315250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 101315250 is about 10065.5476751144. The cubic root of 101315250 is about 466.1849763294.

Adding to 101315250 its reverse (52513101), we get a palindrome (153828351).

The spelling of 101315250 in words is "one hundred one million, three hundred fifteen thousand, two hundred fifty".