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31422000001 = 725117883893
BaseRepresentation
bin11101010000111001…
…011010101110000001
310000002212000222122211
4131100321122232001
51003323013000001
622233550302121
72161444410310
oct352071325601
9100085028584
1031422000001
1112364999747
12610b1b7941
132c69b77412
141741246277
15c3d8b7351
hex750e5ab81

31422000001 has 8 divisors (see below), whose sum is σ = 36053930304. Its totient is φ = 26825838000.

The previous prime is 31421999981. The next prime is 31422000007. The reversal of 31422000001 is 10000022413.

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

It is a cyclic number.

It is not a de Polignac number, because 31422000001 - 215 = 31421967233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31422000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8940190 + ... + 8943703.

It is an arithmetic number, because the mean of its divisors is an integer number (4506741288).

Almost surely, 231422000001 is an apocalyptic number.

It is an amenable number.

31422000001 is a deficient number, since it is larger than the sum of its proper divisors (4631930303).

31422000001 is a wasteful number, since it uses less digits than its factorization.

31422000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17884151.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 31422000001 its reverse (10000022413), we get a palindrome (41422022414).

The spelling of 31422000001 in words is "thirty-one billion, four hundred twenty-two million, one", and thus it is an aban number.

Divisors: 1 7 251 1757 17883893 125187251 4488857143 31422000001