Search a number
-
+
230301301031 = 542694243699
BaseRepresentation
bin1101011001111100000…
…1101111100100100111
3211000110002112021011222
43112133001233210213
512233124113113111
6253444324050555
722432036521344
oct3263701574447
9730402467158
10230301301031
118974109814a
1238773533a5b
1318942c492b9
14b20a55b7cb
155ecd7677db
hex359f06f927

230301301031 has 4 divisors (see below), whose sum is σ = 230305599000. Its totient is φ = 230297003064.

The previous prime is 230301300997. The next prime is 230301301063. The reversal of 230301301031 is 130103103032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230301301031 is a prime.

It is a super-2 number, since 2×2303013010312 (a number of 24 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 (230301301091) 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, 2067581 + ... + 2176118.

It is an arithmetic number, because the mean of its divisors is an integer number (57576399750).

Almost surely, 2230301301031 is an apocalyptic number.

230301301031 is a deficient number, since it is larger than the sum of its proper divisors (4297969).

230301301031 is an equidigital number, since it uses as much as digits as its factorization.

230301301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297968.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 230301301031 its reverse (130103103032), we get a palindrome (360404404063).

The spelling of 230301301031 in words is "two hundred thirty billion, three hundred one million, three hundred one thousand, thirty-one".

Divisors: 1 54269 4243699 230301301031