Search a number
-
+
1311301031122 = 23125631211827
BaseRepresentation
bin10011000101001111101…
…000011101010011010010
311122100200211020022112101
4103011033220131103102
5132441021030443442
62442223043551014
7163511155600105
oct23051750352322
94570624208471
101311301031122
11466135279135
1219218008b46a
13968694c0cc4
144767841a73c
152419b128cb7
hex1314fa1d4d2

1311301031122 has 24 divisors (see below), whose sum is σ = 2036060085168. Its totient is φ = 633372977160.

The previous prime is 1311301031099. The next prime is 1311301031137. The reversal of 1311301031122 is 2211301031131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311301031122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476173 + ... + 1687999.

It is an arithmetic number, because the mean of its divisors is an integer number (84835836882).

Almost surely, 21311301031122 is an apocalyptic number.

1311301031122 is a deficient number, since it is larger than the sum of its proper divisors (724759054046).

1311301031122 is a wasteful number, since it uses less digits than its factorization.

1311301031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212454 (or 1212423 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1311301031122 its reverse (2211301031131), we get a palindrome (3522602062253).

Subtracting 1311301031122 from its reverse (2211301031131), we obtain a palindrome (900000000009).

The spelling of 1311301031122 in words is "one trillion, three hundred eleven billion, three hundred one million, thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 31 62 563 961 1126 1922 17453 34906 541043 1082086 1211827 2423654 37566637 75133274 682258601 1164565747 1364517202 2329131494 21150016631 42300033262 655650515561 1311301031122