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31134422411 = 157198308423
BaseRepresentation
bin11100111111110000…
…011001010110001011
32222100210220112100222
4130333300121112023
51002230403004121
622145234420255
72151353136551
oct347760312613
988323815328
1031134422411
111222762a414
12604aa3168b
132c22408971
141714d87bd1
15c2350e0ab
hex73fc1958b

31134422411 has 4 divisors (see below), whose sum is σ = 31332730992. Its totient is φ = 30936113832.

The previous prime is 31134422399. The next prime is 31134422461. The reversal of 31134422411 is 11422443113.

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 31134422411 - 226 = 31067313547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31134422461) 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, 99154055 + ... + 99154368.

It is an arithmetic number, because the mean of its divisors is an integer number (7833182748).

Almost surely, 231134422411 is an apocalyptic number.

31134422411 is a deficient number, since it is larger than the sum of its proper divisors (198308581).

31134422411 is a wasteful number, since it uses less digits than its factorization.

31134422411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198308580.

The product of its digits is 2304, while the sum is 26.

Adding to 31134422411 its reverse (11422443113), we get a palindrome (42556865524).

The spelling of 31134422411 in words is "thirty-one billion, one hundred thirty-four million, four hundred twenty-two thousand, four hundred eleven".

Divisors: 1 157 198308423 31134422411