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BaseRepresentation
bin1010010010011000110010…
…1111110001010101000111
31111001022200202021000012112
42210212030233301111013
52440304422104122211
640020112324011235
72245123243361522
oct244461457612507
944038622230175
1011311010223431
113670a77437016
121328196530b1b
13640815319769
142b1654a89bb9
1514935a77688b
hexa498cbf1547

11311010223431 has 4 divisors (see below), whose sum is σ = 11906326551000. Its totient is φ = 10715693895864.

The previous prime is 11311010223377. The next prime is 11311010223473. The reversal of 11311010223431 is 13432201011311.

Adding to 11311010223431 its reverse (13432201011311), we get a palindrome (24743211234742).

11311010223431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11311010223431 - 242 = 6912963712327 is a prime.

It is a super-2 number, since 2×113110102234312 (a number of 27 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 = 11311010223397 and 11311010223406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311010223631) 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, 297658163756 + ... + 297658163793.

It is an arithmetic number, because the mean of its divisors is an integer number (2976581637750).

Almost surely, 211311010223431 is an apocalyptic number.

11311010223431 is a deficient number, since it is larger than the sum of its proper divisors (595316327569).

11311010223431 is an equidigital number, since it uses as much as digits as its factorization.

11311010223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595316327568.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 11311010223431 in words is "eleven trillion, three hundred eleven billion, ten million, two hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 19 595316327549 11311010223431