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1300200231 = 31139400007
BaseRepresentation
bin100110101111111…
…0111101100100111
310100121120000102010
41031133313230213
510130322401411
6333003445303
744135343141
oct11537675447
93317500363
101300200231
11607a24750
12303526833
131794a8165
14c4973c91
157922e7a6
hex4d7f7b27

1300200231 has 8 divisors (see below), whose sum is σ = 1891200384. Its totient is φ = 788000120.

The previous prime is 1300200227. The next prime is 1300200247. The reversal of 1300200231 is 1320020031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1300200231 - 22 = 1300200227 is a prime.

It is a super-2 number, since 2×13002002312 = 3381041281384906722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300200631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19699971 + ... + 19700036.

It is an arithmetic number, because the mean of its divisors is an integer number (236400048).

Almost surely, 21300200231 is an apocalyptic number.

1300200231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1300200231 is a deficient number, since it is larger than the sum of its proper divisors (591000153).

1300200231 is a wasteful number, since it uses less digits than its factorization.

1300200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39400021.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1300200231 is about 36058.2893521032. The cubic root of 1300200231 is about 1091.4489136944.

Adding to 1300200231 its reverse (1320020031), we get a palindrome (2620220262).

The spelling of 1300200231 in words is "one billion, three hundred million, two hundred thousand, two hundred thirty-one".

Divisors: 1 3 11 33 39400007 118200021 433400077 1300200231