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2313221023 = 3174620033
BaseRepresentation
bin1000100111100000…
…1111001110011111
312222012201210200201
42021320033032133
514214141033043
61021312204331
7111216024421
oct21170171637
95865653621
102313221023
11a87831213
125468396a7
132ab323b49
1417d310811
15d8133c4d
hex89e0f39f

2313221023 has 4 divisors (see below), whose sum is σ = 2387841088. Its totient is φ = 2238600960.

The previous prime is 2313221017. The next prime is 2313221033. The reversal of 2313221023 is 3201223132.

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 2313221023 - 217 = 2313089951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313221003) 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, 37309986 + ... + 37310047.

It is an arithmetic number, because the mean of its divisors is an integer number (596960272).

Almost surely, 22313221023 is an apocalyptic number.

2313221023 is a deficient number, since it is larger than the sum of its proper divisors (74620065).

2313221023 is an equidigital number, since it uses as much as digits as its factorization.

2313221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74620064.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2313221023 is about 48095.9564100767. The cubic root of 2313221023 is about 1322.5305418528.

Adding to 2313221023 its reverse (3201223132), we get a palindrome (5514444155).

The spelling of 2313221023 in words is "two billion, three hundred thirteen million, two hundred twenty-one thousand, twenty-three".

Divisors: 1 31 74620033 2313221023