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23131134421433 = 295922759555389
BaseRepresentation
bin1010100001001101000110…
…00011001110100110111001
310000220022111112021121101022
411100212203003032212321
511012440030402441213
6121110144011232225
74605112034331323
oct520464303164671
9100808445247338
1023131134421433
11740894a398515
122716b76148675
13cba344a2b73c
1459d7a515c613
152a1a61d23308
hex1509a30ce9b9

23131134421433 has 16 divisors (see below), whose sum is σ = 24441532056000. Its totient is φ = 21858256725312.

The previous prime is 23131134421427. The next prime is 23131134421453. The reversal of 23131134421433 is 33412443113132.

It is not a de Polignac number, because 23131134421433 - 28 = 23131134421177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23131134421393 and 23131134421402.

It is not an unprimeable number, because it can be changed into a prime (23131134421453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29389298 + ... + 30166091.

It is an arithmetic number, because the mean of its divisors is an integer number (1527595753500).

Almost surely, 223131134421433 is an apocalyptic number.

It is an amenable number.

23131134421433 is a deficient number, since it is larger than the sum of its proper divisors (1310397634567).

23131134421433 is a wasteful number, since it uses less digits than its factorization.

23131134421433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59555704.

The product of its digits is 62208, while the sum is 35.

Adding to 23131134421433 its reverse (33412443113132), we get a palindrome (56543577534565).

The spelling of 23131134421433 in words is "twenty-three trillion, one hundred thirty-one billion, one hundred thirty-four million, four hundred twenty-one thousand, four hundred thirty-three".

Divisors: 1 29 59 227 1711 6583 13393 388397 59555389 1727106281 3513767951 13519073303 101899270579 392053125787 797625324877 23131134421433