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31421341114340 = 2251571067055717
BaseRepresentation
bin1110010010011110110011…
…11000000001111111100100
311010020211222021202111020012
413021033121320001333210
513104301401311124330
6150454433112025352
76422055060462422
oct711173170017744
9133224867674205
1031421341114340
11a0147969a7421
1236357bb692258
13146c034522818
147a8b30022112
1539751b7b6c95
hex1c93d9e01fe4

31421341114340 has 12 divisors (see below), whose sum is σ = 65984816340156. Its totient is φ = 12568536445728.

The previous prime is 31421341114231. The next prime is 31421341114391. The reversal of 31421341114340 is 4341114312413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17923182682084 + 13498158432256 = 4233578^2 + 3673984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31421341114297 and 31421341114306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785533527839 + ... + 785533527878.

It is an arithmetic number, because the mean of its divisors is an integer number (5498734695013).

Almost surely, 231421341114340 is an apocalyptic number.

It is an amenable number.

31421341114340 is an abundant number, since it is smaller than the sum of its proper divisors (34563475225816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31421341114340 is a wasteful number, since it uses less digits than its factorization.

31421341114340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571067055726 (or 1571067055724 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 31421341114340 its reverse (4341114312413), we get a palindrome (35762455426753).

The spelling of 31421341114340 in words is "thirty-one trillion, four hundred twenty-one billion, three hundred forty-one million, one hundred fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1571067055717 3142134111434 6284268222868 7855335278585 15710670557170 31421341114340