Search a number
-
+
1297114331 = 1776300843
BaseRepresentation
bin100110101010000…
…0110010011011011
310100101202020100112
41031110012103123
510124030124311
6332413354535
744100201302
oct11524062333
93311666315
101297114331
11606207217
12302498a4b
13178967696
14c43ad439
1578d2028b
hex4d5064db

1297114331 has 4 divisors (see below), whose sum is σ = 1373415192. Its totient is φ = 1220813472.

The previous prime is 1297114321. The next prime is 1297114339. The reversal of 1297114331 is 1334117921.

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 1297114331 - 26 = 1297114267 is a prime.

It is a super-2 number, since 2×12971143312 = 3365011175371155122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297114339) 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, 38150405 + ... + 38150438.

It is an arithmetic number, because the mean of its divisors is an integer number (343353798).

Almost surely, 21297114331 is an apocalyptic number.

1297114331 is a deficient number, since it is larger than the sum of its proper divisors (76300861).

1297114331 is an equidigital number, since it uses as much as digits as its factorization.

1297114331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76300860.

The product of its digits is 4536, while the sum is 32.

The square root of 1297114331 is about 36015.4734940414. The cubic root of 1297114331 is about 1090.5847467085.

The spelling of 1297114331 in words is "one billion, two hundred ninety-seven million, one hundred fourteen thousand, three hundred thirty-one".

Divisors: 1 17 76300843 1297114331