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113071331 = 472405773
BaseRepresentation
bin1101011110101…
…01010011100011
321212202121201002
412233111103203
5212421240311
615115302215
72542043012
oct657252343
9255677632
10113071331
115890a18a
1231a4a96b
131a56c319
1411034a79
159dd793b
hex6bd54e3

113071331 has 4 divisors (see below), whose sum is σ = 115477152. Its totient is φ = 110665512.

The previous prime is 113071279. The next prime is 113071339. The reversal of 113071331 is 133170311.

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-113071331 is a prime.

It is a super-2 number, since 2×1130713312 = 25570251788223122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113071339) 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, 1202840 + ... + 1202933.

It is an arithmetic number, because the mean of its divisors is an integer number (28869288).

Almost surely, 2113071331 is an apocalyptic number.

113071331 is a deficient number, since it is larger than the sum of its proper divisors (2405821).

113071331 is an equidigital number, since it uses as much as digits as its factorization.

113071331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405820.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 113071331 is about 10633.5004114355. The cubic root of 113071331 is about 483.5605187489.

The spelling of 113071331 in words is "one hundred thirteen million, seventy-one thousand, three hundred thirty-one".

Divisors: 1 47 2405773 113071331