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1031313230122 = 27225740947877
BaseRepresentation
bin11110000000111110000…
…11110000100100101010
310122120222222210022220211
433000133003300210222
5113344112141330442
62105440113411334
7134336621550100
oct17003703604452
93576888708824
101031313230122
1136841748317a
12147a60869b4a
137633874b786
1437cb7057c70
151bc607e5617
hexf01f0f092a

1031313230122 has 24 divisors (see below), whose sum is σ = 1806538481604. Its totient is φ = 440271562752.

The previous prime is 1031313230083. The next prime is 1031313230137. The reversal of 1031313230122 is 2210323131301.

It can be written as a sum of positive squares in 2 ways, for example, as 584018452521 + 447294777601 = 764211^2 + 668801^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1031313230093 and 1031313230102.

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, 20448753 + ... + 20499124.

Almost surely, 21031313230122 is an apocalyptic number.

1031313230122 is a deficient number, since it is larger than the sum of its proper divisors (775225251482).

1031313230122 is a wasteful number, since it uses less digits than its factorization.

1031313230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40948150 (or 40948143 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1031313230122 its reverse (2210323131301), we get a palindrome (3241636361423).

The spelling of 1031313230122 in words is "one trillion, thirty-one billion, three hundred thirteen million, two hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 49 98 257 514 1799 3598 12593 25186 40947877 81895754 286635139 573270278 2006445973 4012891946 10523604389 21047208778 73665230723 147330461446 515656615061 1031313230122