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3113222231 = 74320694999
BaseRepresentation
bin1011100110010000…
…0000000001010111
322000222002002001002
42321210000001113
522333441102411
61232531053515
7140101644440
oct27144000127
98028062032
103113222231
111358372a39
1272a74129b
133a7ca7442
1421767a2c7
151334ab33b
hexb9900057

3113222231 has 16 divisors (see below), whose sum is σ = 3643200000. Its totient is φ = 2604637728.

The previous prime is 3113222227. The next prime is 3113222243. The reversal of 3113222231 is 1322223113.

It is not a de Polignac number, because 3113222231 - 22 = 3113222227 is a prime.

It is a super-2 number, since 2×31132222312 = 19384305319185234722, which 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 (3113222221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620270 + ... + 625268.

It is an arithmetic number, because the mean of its divisors is an integer number (227700000).

Almost surely, 23113222231 is an apocalyptic number.

3113222231 is a deficient number, since it is larger than the sum of its proper divisors (529977769).

3113222231 is a wasteful number, since it uses less digits than its factorization.

3113222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118.

The product of its digits is 432, while the sum is 20.

The square root of 3113222231 is about 55796.2564246025. The cubic root of 3113222231 is about 1460.1698418478.

Adding to 3113222231 its reverse (1322223113), we get a palindrome (4435445344).

The spelling of 3113222231 in words is "three billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 7 43 301 2069 4999 14483 34993 88967 214957 622769 1504699 10342931 72400517 444746033 3113222231