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1231011314 = 213294393719
BaseRepresentation
bin100100101011111…
…1011110111110010
310011210100212001122
41021113323313302
510010114330224
6322052502242
742335265161
oct11127736762
93153325048
101231011314
11581968025
122a431a982
13168061880
14b96c33d8
157311415e
hex495fbdf2

1231011314 has 32 divisors (see below), whose sum is σ = 2062368000. Its totient is φ = 547170624.

The previous prime is 1231011269. The next prime is 1231011373. The reversal of 1231011314 is 4131101321.

It is a junction number, because it is equal to n+sod(n) for n = 1231011292 and 1231011301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329147 + ... + 332865.

It is an arithmetic number, because the mean of its divisors is an integer number (64449000).

Almost surely, 21231011314 is an apocalyptic number.

1231011314 is a deficient number, since it is larger than the sum of its proper divisors (831356686).

1231011314 is a wasteful number, since it uses less digits than its factorization.

1231011314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1231011314 is about 35085.7708195217. The cubic root of 1231011314 is about 1071.7348379078.

Adding to 1231011314 its reverse (4131101321), we get a palindrome (5362112635).

The spelling of 1231011314 in words is "one billion, two hundred thirty-one million, eleven thousand, three hundred fourteen".

Divisors: 1 2 13 26 29 58 377 439 754 878 3719 5707 7438 11414 12731 25462 48347 96694 107851 165503 215702 331006 1402063 1632641 2804126 3265282 21224333 42448666 47346589 94693178 615505657 1231011314