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31341444060 = 2235796612119
BaseRepresentation
bin11101001100000110…
…000111101111011100
32222220020110022200110
4131030012013233130
51003141402202220
622221551530020
72156445610323
oct351406075734
988806408613
1031341444060
1112323478893
1260a8229910
132c56280c94
1417346770ba
15c367a3be0
hex74c187bdc

31341444060 has 48 divisors (see below), whose sum is σ = 88866892800. Its totient is φ = 8251923264.

The previous prime is 31341444059. The next prime is 31341444083. The reversal of 31341444060 is 6044414313.

It is a super-2 number, since 2×313414440602 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 in 15 ways as a sum of consecutive naturals, for example, 3301320 + ... + 3310799.

It is an arithmetic number, because the mean of its divisors is an integer number (1851393600).

Almost surely, 231341444060 is an apocalyptic number.

31341444060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31341444060 is an abundant number, since it is smaller than the sum of its proper divisors (57525448740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31341444060 is a wasteful number, since it uses less digits than its factorization.

31341444060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612210 (or 6612208 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31341444060 its reverse (6044414313), we get a palindrome (37385858373).

The spelling of 31341444060 in words is "thirty-one billion, three hundred forty-one million, four hundred forty-four thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 6612119 13224238 19836357 26448476 33060595 39672714 66121190 79345428 99181785 132242380 198363570 396727140 522357401 1044714802 1567072203 2089429604 2611787005 3134144406 5223574010 6268288812 7835361015 10447148020 15670722030 31341444060