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31320412034023 = 721289495882143
BaseRepresentation
bin1110001111100010110100…
…00010001001001111100111
311002220012110100212222101101
413013301122002021033213
513101123200440042043
6150340222035340531
76411553002450100
oct707613202111747
9132805410788341
1031320412034023
119a85a04087552
12361a132751747
13146266b3a7218
147a3cb78353a7
15394ab0c0924d
hex1c7c5a0893e7

31320412034023 has 12 divisors (see below), whose sum is σ = 36462214048320. Its totient is φ = 26825240353632.

The previous prime is 31320412033961. The next prime is 31320412034111. The reversal of 31320412034023 is 32043021402313.

It is a happy number.

It is not a de Polignac number, because 31320412034023 - 29 = 31320412033511 is a prime.

It is a super-2 number, since 2×313204120340232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31320412033982 and 31320412034000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320412034323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247877911 + ... + 248004232.

It is an arithmetic number, because the mean of its divisors is an integer number (3038517837360).

Almost surely, 231320412034023 is an apocalyptic number.

31320412034023 is a deficient number, since it is larger than the sum of its proper divisors (5141802014297).

31320412034023 is a wasteful number, since it uses less digits than its factorization.

31320412034023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495883446 (or 495883439 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31320412034023 its reverse (32043021402313), we get a palindrome (63363433436336).

The spelling of 31320412034023 in words is "thirty-one trillion, three hundred twenty billion, four hundred twelve million, thirty-four thousand, twenty-three".

Divisors: 1 7 49 1289 9023 63161 495882143 3471175001 24298225007 639192082327 4474344576289 31320412034023