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313121415122 = 2971699949987
BaseRepresentation
bin1001000111001110111…
…11011001111111010010
31002221012222011222102222
410203213133121333102
520112233040240442
6355502422341042
731423304054045
oct4434737317722
91087188158388
10313121415122
1111088096a72a
125082788a782
13236b1401679
1411225a74c5c
1582295e58d2
hex48e77d9fd2

313121415122 has 16 divisors (see below), whose sum is σ = 474804002400. Its totient is φ = 154855317888.

The previous prime is 313121415109. The next prime is 313121415157. The reversal of 313121415122 is 221514121313.

It is a junction number, because it is equal to n+sod(n) for n = 313121415091 and 313121415100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145388 + ... + 804599.

It is an arithmetic number, because the mean of its divisors is an integer number (29675250150).

Almost surely, 2313121415122 is an apocalyptic number.

313121415122 is a deficient number, since it is larger than the sum of its proper divisors (161682587278).

313121415122 is a wasteful number, since it uses less digits than its factorization.

313121415122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951785.

The product of its digits is 1440, while the sum is 26.

Adding to 313121415122 its reverse (221514121313), we get a palindrome (534635536435).

The spelling of 313121415122 in words is "three hundred thirteen billion, one hundred twenty-one million, four hundred fifteen thousand, one hundred twenty-two".

Divisors: 1 2 97 194 1699 3398 164803 329606 949987 1899974 92148739 184297478 1614027913 3228055826 156560707561 313121415122