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31434403030 = 2599714592161
BaseRepresentation
bin11101010001101000…
…101110110011010110
310000010201101010102021
4131101220232303112
51003334201344110
622235112203354
72161655005612
oct352150566326
9100121333367
1031434403030
11123709a0288
12611339955a
132c6c5ca9a4
141742b54342
15c3ea172da
hex751a2ecd6

31434403030 has 32 divisors (see below), whose sum is σ = 56703725280. Its totient is φ = 12546731520.

The previous prime is 31434403019. The next prime is 31434403051. The reversal of 31434403030 is 3030443413.

It is a junction number, because it is equal to n+sod(n) for n = 31434402986 and 31434403004.

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, 14545150 + ... + 14547310.

It is an arithmetic number, because the mean of its divisors is an integer number (1771991415).

Almost surely, 231434403030 is an apocalyptic number.

31434403030 is a deficient number, since it is larger than the sum of its proper divisors (25269322250).

31434403030 is a wasteful number, since it uses less digits than its factorization.

31434403030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 31434403030 its reverse (3030443413), we get a palindrome (34464846443).

The spelling of 31434403030 in words is "thirty-one billion, four hundred thirty-four million, four hundred three thousand, thirty".

Divisors: 1 2 5 10 997 1459 1994 2161 2918 4322 4985 7295 9970 10805 14590 21610 1454623 2154517 2909246 3152899 4309034 6305798 7273115 10772585 14546230 15764495 21545170 31528990 3143440303 6286880606 15717201515 31434403030