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31044002422 = 215522001211
BaseRepresentation
bin11100111010010111…
…011110001001110110
32222010111202201110111
4130322113132021312
51002034231034142
622132244413234
72146204444456
oct347227361166
988114681414
1031044002422
1112190591554
1260246a721a
132c0976a804
141706d6bd66
15c1a5ece17
hex73a5de276

31044002422 has 4 divisors (see below), whose sum is σ = 46566003636. Its totient is φ = 15522001210.

The previous prime is 31044002417. The next prime is 31044002449. The reversal of 31044002422 is 22420044013.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 31044002393 and 31044002402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7761000604 + ... + 7761000607.

It is an arithmetic number, because the mean of its divisors is an integer number (11641500909).

Almost surely, 231044002422 is an apocalyptic number.

31044002422 is a deficient number, since it is larger than the sum of its proper divisors (15522001214).

31044002422 is a wasteful number, since it uses less digits than its factorization.

31044002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15522001213.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 31044002422 its reverse (22420044013), we get a palindrome (53464046435).

The spelling of 31044002422 in words is "thirty-one billion, forty-four million, two thousand, four hundred twenty-two".

Divisors: 1 2 15522001211 31044002422