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11310001023 = 33770000341
BaseRepresentation
bin10101000100010000…
…01110101101111111
31002012012202120200210
422202020032231333
5141130330013043
65110140323503
7550162264626
oct124210165577
932165676623
1011310001023
114884223192
122237843593
1310b32175c9
147941286bd
15462dc6633
hex2a220eb7f

11310001023 has 4 divisors (see below), whose sum is σ = 15080001368. Its totient is φ = 7540000680.

The previous prime is 11310000953. The next prime is 11310001037. The reversal of 11310001023 is 32010001311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32010001311 = 310670000437.

It is not a de Polignac number, because 11310001023 - 210 = 11309999999 is a prime.

It is a super-2 number, since 2×113100010232 (a number of 21 digits) 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 (11310001063) 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, 1885000168 + ... + 1885000173.

It is an arithmetic number, because the mean of its divisors is an integer number (3770000342).

Almost surely, 211310001023 is an apocalyptic number.

11310001023 is a deficient number, since it is larger than the sum of its proper divisors (3770000345).

11310001023 is an equidigital number, since it uses as much as digits as its factorization.

11310001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770000344.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11310001023 its reverse (32010001311), we get a palindrome (43320002334).

The spelling of 11310001023 in words is "eleven billion, three hundred ten million, one thousand, twenty-three".

Divisors: 1 3 3770000341 11310001023