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31112034411 = 361170011117
BaseRepresentation
bin11100111110011010…
…111111100001101011
32222022020210002210210
4130332122333201223
51002204140100121
622143114512203
72150661633453
oct347632774153
988266702723
1031112034411
1112215a28a37
126043435663
132c1a89a623
141711ddad63
15c2158a876
hex73e6bf86b

31112034411 has 8 divisors (see below), whose sum is σ = 42162757264. Its totient is φ = 20401333920.

The previous prime is 31112034397. The next prime is 31112034463. The reversal of 31112034411 is 11443021113.

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

It is not a de Polignac number, because 31112034411 - 225 = 31078479979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112034491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85005376 + ... + 85005741.

It is an arithmetic number, because the mean of its divisors is an integer number (5270344658).

Almost surely, 231112034411 is an apocalyptic number.

31112034411 is a deficient number, since it is larger than the sum of its proper divisors (11050722853).

31112034411 is a wasteful number, since it uses less digits than its factorization.

31112034411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170011181.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31112034411 its reverse (11443021113), we get a palindrome (42555055524).

The spelling of 31112034411 in words is "thirty-one billion, one hundred twelve million, thirty-four thousand, four hundred eleven".

Divisors: 1 3 61 183 170011117 510033351 10370678137 31112034411