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111315252310231 = 259177429495103
BaseRepresentation
bin11001010011110110011010…
…000100100111000011010111
3112121010122010022210212121011
4121103312122010213003113
5104042242114042411411
61032425304305233051
732306155502634064
oct3123663204470327
9477118108725534
10111315252310231
1132517595a45852
1210599784932787
134a15ca2285a28
141d6b98902bc6b
15cd087268ac21
hex653d9a1270d7

111315252310231 has 4 divisors (see below), whose sum is σ = 111315682064512. Its totient is φ = 111314822555952.

The previous prime is 111315252310211. The next prime is 111315252310237. The reversal of 111315252310231 is 132013252513111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111315252310231 - 27 = 111315252310103 is a prime.

It is a super-2 number, since 2×1113152523102312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111315252310193 and 111315252310202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111315252310237) 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, 214488375 + ... + 215006728.

It is an arithmetic number, because the mean of its divisors is an integer number (27828920516128).

Almost surely, 2111315252310231 is an apocalyptic number.

111315252310231 is a deficient number, since it is larger than the sum of its proper divisors (429754281).

111315252310231 is an equidigital number, since it uses as much as digits as its factorization.

111315252310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429754280.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 111315252310231 in words is "one hundred eleven trillion, three hundred fifteen billion, two hundred fifty-two million, three hundred ten thousand, two hundred thirty-one".

Divisors: 1 259177 429495103 111315252310231