101130251 has 4 divisors (see below), whose sum is σ = 101347272. Its totient is φ = 100913232.

The previous prime is 101130223. The next prime is 101130257. The reversal of 101130251 is 152031101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152031101 = 43 ⋅3535607.

It is a cyclic number.

It is not a de Polignac number, because 101130251 - 2¹⁸ = 100868107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101130257) 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, 107810 + ... + 108743.

It is an arithmetic number, because the mean of its divisors is an integer number (25336818).

Almost surely, 2^101130251 is an apocalyptic number.

101130251 is a deficient number, since it is larger than the sum of its proper divisors (217021).

101130251 is an equidigital number, since it uses as much as digits as its factorization.

101130251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217020.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 101130251 is about 10056.3537626716. The cubic root of 101130251 is about 465.9010562526.

Adding to 101130251 its reverse (152031101), we get a palindrome (253161352).

The spelling of 101130251 in words is "one hundred one million, one hundred thirty thousand, two hundred fifty-one".