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11312010113 = 22783496511
BaseRepresentation
bin10101000100011111…
…11001001110000001
31002012100112122122112
422202033321032001
5141131333310423
65110251345105
7550215333215
oct124217711601
932170478575
1011312010113
114885375698
122238452195
1310b376bc11
147944cc945
15463171a78
hex2a23f9381

11312010113 has 4 divisors (see below), whose sum is σ = 11312529408. Its totient is φ = 11311490820.

The previous prime is 11312010091. The next prime is 11312010131. The reversal of 11312010113 is 31101021311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31101021311 = 117877263843.

It is a cyclic number.

It is not a de Polignac number, because 11312010113 - 26 = 11312010049 is a prime.

It is a super-2 number, since 2×113120101132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312016113) 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, 225473 + ... + 271038.

It is an arithmetic number, because the mean of its divisors is an integer number (2828132352).

Almost surely, 211312010113 is an apocalyptic number.

It is an amenable number.

11312010113 is a deficient number, since it is larger than the sum of its proper divisors (519295).

11312010113 is an equidigital number, since it uses as much as digits as its factorization.

11312010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519294.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11312010113 its reverse (31101021311), we get a palindrome (42413031424).

The spelling of 11312010113 in words is "eleven billion, three hundred twelve million, ten thousand, one hundred thirteen".

Divisors: 1 22783 496511 11312010113