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313020230032213 = 1128929066787077
BaseRepresentation
bin100011100101100001011001…
…1100111100101101101010101
31112001022102221000211020020221
41013023002303213211231111
5312012010412342012323
63025423301500354341
7122634652050624304
oct10713026347455525
91461272830736227
10313020230032213
1190813152483900
122b1355018459b1
13105878b13089a2
14574238d50243b
15262c59404e55d
hex11cb0b39e5b55

313020230032213 has 12 divisors (see below), whose sum is σ = 347929441323660. Its totient is φ = 281366498895680.

The previous prime is 313020230032171. The next prime is 313020230032261. The reversal of 313020230032213 is 312230032020313.

It can be written as a sum of positive squares in 2 ways, for example, as 123460698796369 + 189559531235844 = 11111287^2 + 13768062^2 .

It is not a de Polignac number, because 313020230032213 - 221 = 313020227935061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313020230032813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14533382770 + ... + 14533404307.

It is an arithmetic number, because the mean of its divisors is an integer number (28994120110305).

Almost surely, 2313020230032213 is an apocalyptic number.

It is an amenable number.

313020230032213 is a deficient number, since it is larger than the sum of its proper divisors (34909211291447).

313020230032213 is a wasteful number, since it uses less digits than its factorization.

313020230032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29066787188 (or 29066787177 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 313020230032213 its reverse (312230032020313), we get a palindrome (625250262052526).

The spelling of 313020230032213 in words is "three hundred thirteen trillion, twenty billion, two hundred thirty million, thirty-two thousand, two hundred thirteen".

Divisors: 1 11 89 121 979 10769 29066787077 319734657847 2586944049853 3517081236317 28456384548383 313020230032213