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31234011043213 = 118813222991543
BaseRepresentation
bin1110001101000001111000…
…01000100001010110001101
311002120221102221011212201201
413012200330020201112031
513043214223311340323
6150232412342305501
76402403624240516
oct706407410412615
9132527387155651
1031234011043213
119a522a6a68320
12360543b128291
13145747c0a90a4
1479da3c909a0d
153927057e58ad
hex1c683c22158d

31234011043213 has 8 divisors (see below), whose sum is σ = 34112142501696. Its totient is φ = 28362325569600.

The previous prime is 31234011043133. The next prime is 31234011043223.

31234011043213 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31234011043213 - 213 = 31234011035021 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 (31234011043223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611486081 + ... + 1611505462.

It is an arithmetic number, because the mean of its divisors is an integer number (4264017812712).

Almost surely, 231234011043213 is an apocalyptic number.

It is an amenable number.

31234011043213 is a deficient number, since it is larger than the sum of its proper divisors (2878131458483).

31234011043213 is a wasteful number, since it uses less digits than its factorization.

31234011043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222992435.

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 3123401 and 1043213, that added together give a palindrome (4166614).

The spelling of 31234011043213 in words is "thirty-one trillion, two hundred thirty-four billion, eleven million, forty-three thousand, two hundred thirteen".

Divisors: 1 11 881 9691 3222991543 35452906973 2839455549383 31234011043213