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31112040134 = 272222288581
BaseRepresentation
bin11100111110011011…
…000000111011000110
32222022020210101122202
4130332123000323012
51002204140241014
622143114554502
72150661656240
oct347633007306
988266711582
1031112040134
1112215a3226a
126043438a32
132c1a8a0106
141711ddd090
15c2158c3de
hex73e6c0ec6

31112040134 has 8 divisors (see below), whose sum is σ = 53334925968. Its totient is φ = 13333731480.

The previous prime is 31112040133. The next prime is 31112040137. The reversal of 31112040134 is 43104021113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112040133) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1111144277 + ... + 1111144304.

It is an arithmetic number, because the mean of its divisors is an integer number (6666865746).

Almost surely, 231112040134 is an apocalyptic number.

31112040134 is a deficient number, since it is larger than the sum of its proper divisors (22222885834).

31112040134 is a wasteful number, since it uses less digits than its factorization.

31112040134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222288590.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31112040134 its reverse (43104021113), we get a palindrome (74216061247).

The spelling of 31112040134 in words is "thirty-one billion, one hundred twelve million, forty thousand, one hundred thirty-four".

Divisors: 1 2 7 14 2222288581 4444577162 15556020067 31112040134