101487213 has 12 divisors (see below), whose sum is σ = 147032028. Its totient is φ = 67455360.

The previous prime is 101487193. The next prime is 101487299. The reversal of 101487213 is 312784101.

It can be written as a sum of positive squares in 2 ways, for example, as 38713284 + 62773929 = 6222^2 + 7923^2 .

It is not a de Polignac number, because 101487213 - 2⁹ = 101486701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101437213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13698 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (12252669).

Almost surely, 2^101487213 is an apocalyptic number.

It is an amenable number.

101487213 is a deficient number, since it is larger than the sum of its proper divisors (45544815).

101487213 is a wasteful number, since it uses less digits than its factorization.

101487213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33804 (or 33801 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 101487213 is about 10074.0862116621. The cubic root of 101487213 is about 466.4485801273.

The spelling of 101487213 in words is "one hundred one million, four hundred eighty-seven thousand, two hundred thirteen".