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31243300334213 = 1153178929955599
BaseRepresentation
bin1110001101010011001011…
…10100010110101010000101
311002121211102022121202101112
413012221211310112222011
513043342234341143323
6150240550220134405
76403153052016542
oct706514564265205
9132554368552345
1031243300334213
119a56233589120
1236071b2097405
1314582cc777996
147a0280507bc9
15392a9b0b8178
hex1c6a65d16a85

31243300334213 has 16 divisors (see below), whose sum is σ = 34746099552000. Its totient is φ = 27851516796480.

The previous prime is 31243300334179. The next prime is 31243300334219.

31243300334213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31243300334213 - 238 = 30968422427269 is a prime.

It is a super-2 number, since 2×312433003342132 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31243300334213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31243300334219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13934813 + ... + 16020786.

It is an arithmetic number, because the mean of its divisors is an integer number (2171631222000).

Almost surely, 231243300334213 is an apocalyptic number.

It is an amenable number.

31243300334213 is a deficient number, since it is larger than the sum of its proper divisors (3502799217787).

31243300334213 is a wasteful number, since it uses less digits than its factorization.

31243300334213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29957452.

The product of its (nonzero) digits is 46656, while the sum is 32.

It can be divided in two parts, 31243300 and 334213, that added together give a palindrome (31577513).

The spelling of 31243300334213 in words is "thirty-one trillion, two hundred forty-three billion, three hundred million, three hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 11 53 583 1789 19679 94817 1042987 29955599 329511589 1587646747 17464114217 53590566611 589496232721 2840300030383 31243300334213