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31001124022 = 21110143132371
BaseRepresentation
bin11100110111110011…
…111001110010110110
32222000112002021100121
4130313303321302312
51001442241432042
622124113402154
72145144130531
oct346763716266
988015067317
1031001124022
1112169365360
12601226935a
132c00906a8b
1417013a9a18
15c1697d367
hex737cf9cb6

31001124022 has 32 divisors (see below), whose sum is σ = 51351833088. Its totient is φ = 13919100000.

The previous prime is 31001124013. The next prime is 31001124083. The reversal of 31001124022 is 22042110013.

It is a super-2 number, since 2×310011240222 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31001123987 and 31001124005.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 941497 + ... + 973867.

It is an arithmetic number, because the mean of its divisors is an integer number (1604744784).

Almost surely, 231001124022 is an apocalyptic number.

31001124022 is a deficient number, since it is larger than the sum of its proper divisors (20350709066).

31001124022 is a wasteful number, since it uses less digits than its factorization.

31001124022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32916.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31001124022 its reverse (22042110013), we get a palindrome (53043234035).

The spelling of 31001124022 in words is "thirty-one billion, one million, one hundred twenty-four thousand, twenty-two".

Divisors: 1 2 11 22 101 202 431 862 1111 2222 4741 9482 32371 43531 64742 87062 356081 478841 712162 957682 3269471 6538942 13951901 27903802 35964181 71928362 153470911 306941822 1409142001 2818284002 15500562011 31001124022