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1331210232223 = 8825915082997
BaseRepresentation
bin10011010111110010010…
…100000010000110011111
311201021002022220112002221
4103113302110002012133
5133302304304412343
62455314411130211
7165114426163144
oct23276224020637
94637068815087
101331210232223
11473621520643
12195bb7743967
13986c0127181
14486066283cb
1524963e0b5ed
hex135f250219f

1331210232223 has 4 divisors (see below), whose sum is σ = 1331225403480. Its totient is φ = 1331195060968.

The previous prime is 1331210232193. The next prime is 1331210232241. The reversal of 1331210232223 is 3222320121331.

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 1331210232223 - 29 = 1331210231711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331210232323) 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, 7453240 + ... + 7629757.

It is an arithmetic number, because the mean of its divisors is an integer number (332806350870).

Almost surely, 21331210232223 is an apocalyptic number.

1331210232223 is a deficient number, since it is larger than the sum of its proper divisors (15171257).

1331210232223 is an equidigital number, since it uses as much as digits as its factorization.

1331210232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171256.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1331210232223 its reverse (3222320121331), we get a palindrome (4553530353554).

The spelling of 1331210232223 in words is "one trillion, three hundred thirty-one billion, two hundred ten million, two hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 88259 15082997 1331210232223