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31133130122 = 272072159923
BaseRepresentation
bin11100111111101011…
…011101110110001010
32222100201110212200102
4130333223131312022
51002230040130442
622145151005402
72151336145133
oct347753356612
988321425612
1031133130122
1112226927506
12604a509862
132c220756b3
141714b2cc8a
15c23356232
hex73faddd8a

31133130122 has 8 divisors (see below), whose sum is σ = 46706196576. Its totient is φ = 15564397932.

The previous prime is 31133130109. The next prime is 31133130157. The reversal of 31133130122 is 22103133113.

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

It is a junction number, because it is equal to n+sod(n) for n = 31133130094 and 31133130103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1065548 + ... + 1094375.

It is an arithmetic number, because the mean of its divisors is an integer number (5838274572).

Almost surely, 231133130122 is an apocalyptic number.

31133130122 is a deficient number, since it is larger than the sum of its proper divisors (15573066454).

31133130122 is a wasteful number, since it uses less digits than its factorization.

31133130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167132.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31133130122 its reverse (22103133113), we get a palindrome (53236263235).

The spelling of 31133130122 in words is "thirty-one billion, one hundred thirty-three million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 7207 14414 2159923 4319846 15566565061 31133130122