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11431213411 = 25314516481
BaseRepresentation
bin10101010010101101…
…00111100101100011
31002111122211210211111
422221112213211203
5141402342312121
65130150324151
7553163465542
oct125126474543
932448753744
1011431213411
114936692912
122270359657
131102377307
147a627c159
1546d86b2e1
hex2a95a7963

11431213411 has 4 divisors (see below), whose sum is σ = 11435732424. Its totient is φ = 11426694400.

The previous prime is 11431213399. The next prime is 11431213441.

11431213411 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 11431213411 - 25 = 11431213379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431213441) 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, 2255710 + ... + 2260771.

It is an arithmetic number, because the mean of its divisors is an integer number (2858933106).

Almost surely, 211431213411 is an apocalyptic number.

11431213411 is a deficient number, since it is larger than the sum of its proper divisors (4519013).

11431213411 is an equidigital number, since it uses as much as digits as its factorization.

11431213411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519012.

The product of its digits is 288, while the sum is 22.

The spelling of 11431213411 in words is "eleven billion, four hundred thirty-one million, two hundred thirteen thousand, four hundred eleven".

Divisors: 1 2531 4516481 11431213411