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113131232023 = 235148120473
BaseRepresentation
bin110100101011100100…
…1011001101100010111
3101211000022101001012111
41221113021121230113
53323143043411043
6123545522531451
711113332414535
oct1512711315427
9354008331174
10113131232023
1143a846a4077
1219b13506b87
13a88c13b914
145692dcb155
152e21e6009d
hex1a57259b17

113131232023 has 4 divisors (see below), whose sum is σ = 113179354848. Its totient is φ = 113083109200.

The previous prime is 113131231987. The next prime is 113131232033. The reversal of 113131232023 is 320232131311.

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 113131232023 - 213 = 113131223831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113131231985 and 113131232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131232033) 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, 24057886 + ... + 24062587.

It is an arithmetic number, because the mean of its divisors is an integer number (28294838712).

Almost surely, 2113131232023 is an apocalyptic number.

113131232023 is a deficient number, since it is larger than the sum of its proper divisors (48122825).

113131232023 is an equidigital number, since it uses as much as digits as its factorization.

113131232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48122824.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113131232023 its reverse (320232131311), we get a palindrome (433363363334).

The spelling of 113131232023 in words is "one hundred thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand, twenty-three".

Divisors: 1 2351 48120473 113131232023