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13203133130231 = 111200284830021
BaseRepresentation
bin1100000000100001100000…
…0011110110010111110111
31201202012121001022201110022
43000020120003312113313
53212310004040131411
644025234032315355
72531615642620022
oct300103003662767
951665531281408
1013203133130231
1142304654a1020
121592a326a2b5b
1374a0861322b5
1433906c2861b9
1517d69cbeaedb
hexc02180f65f7

13203133130231 has 4 divisors (see below), whose sum is σ = 14403417960264. Its totient is φ = 12002848300200.

The previous prime is 13203133130219. The next prime is 13203133130251.

13203133130231 is nontrivially palindromic in base 10.

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 13203133130231 - 214 = 13203133113847 is a prime.

It is a super-2 number, since 2×132031331302312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13203133130231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203133130251) 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, 600142415000 + ... + 600142415021.

It is an arithmetic number, because the mean of its divisors is an integer number (3600854490066).

Almost surely, 213203133130231 is an apocalyptic number.

13203133130231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13203133130231 is a deficient number, since it is larger than the sum of its proper divisors (1200284830033).

13203133130231 is a wasteful number, since it uses less digits than its factorization.

13203133130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200284830032.

The product of its (nonzero) digits is 2916, while the sum is 26.

It can be divided in two parts, 1320313 and 3130231, that added together give a palindrome (4450544).

The spelling of 13203133130231 in words is "thirteen trillion, two hundred three billion, one hundred thirty-three million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 11 1200284830021 13203133130231