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31114220134 = 215557110067
BaseRepresentation
bin11100111110100011…
…010101001001100110
32222022101220011001111
4130332203111021212
51002210220021014
622143233415234
72151016336024
oct347643251146
988271804044
1031114220134
1112217191118
12604410a51a
132c1b18445a
141712409714
15c2186d2c4
hex73e8d5266

31114220134 has 4 divisors (see below), whose sum is σ = 46671330204. Its totient is φ = 15557110066.

The previous prime is 31114220099. The next prime is 31114220167. The reversal of 31114220134 is 43102241113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43102241113 = 68059633307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7778555032 + ... + 7778555035.

It is an arithmetic number, because the mean of its divisors is an integer number (11667832551).

Almost surely, 231114220134 is an apocalyptic number.

31114220134 is a deficient number, since it is larger than the sum of its proper divisors (15557110070).

31114220134 is a wasteful number, since it uses less digits than its factorization.

31114220134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557110069.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31114220134 its reverse (43102241113), we get a palindrome (74216461247).

The spelling of 31114220134 in words is "thirty-one billion, one hundred fourteen million, two hundred twenty thousand, one hundred thirty-four".

Divisors: 1 2 15557110067 31114220134