Search a number
-
+
10301030231 = 29355207939
BaseRepresentation
bin10011001011111110…
…10011111101010111
3222120220012112222012
421211333103331113
5132044030431411
64422054454435
7513161212052
oct114577237527
928526175865
1010301030231
114406732528
121bb596441b
13c8218917b
146da123a99
1540452218b
hex265fd3f57

10301030231 has 4 divisors (see below), whose sum is σ = 10656238200. Its totient is φ = 9945822264.

The previous prime is 10301030227. The next prime is 10301030287. The reversal of 10301030231 is 13203010301.

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

It is a cyclic number.

It is not a de Polignac number, because 10301030231 - 22 = 10301030227 is a prime.

It is a super-2 number, since 2×103010302312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10301030731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177603941 + ... + 177603998.

It is an arithmetic number, because the mean of its divisors is an integer number (2664059550).

Almost surely, 210301030231 is an apocalyptic number.

10301030231 is a deficient number, since it is larger than the sum of its proper divisors (355207969).

10301030231 is an equidigital number, since it uses as much as digits as its factorization.

10301030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355207968.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10301030231 its reverse (13203010301), we get a palindrome (23504040532).

The spelling of 10301030231 in words is "ten billion, three hundred one million, thirty thousand, two hundred thirty-one".

Divisors: 1 29 355207939 10301030231