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31401060534365 = 56280212106873
BaseRepresentation
bin1110010001111001000010…
…00011110000100001011101
311010011220121220021021121112
413020330201003300201131
513103433332444044430
6150441240440511405
76420436360421204
oct710744103604135
9133156556237545
1031401060534365
11a00712a058525
12363189b77b565
13146a151989542
147a7b6878023b
15396c310c6195
hex1c8f210f085d

31401060534365 has 4 divisors (see below), whose sum is σ = 37681272641244. Its totient is φ = 25120848427488.

The previous prime is 31401060534359. The next prime is 31401060534373. The reversal of 31401060534365 is 56343506010413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21245296184644 + 10155764349721 = 4609262^2 + 3186811^2 .

It is a cyclic number.

It is not a de Polignac number, because 31401060534365 - 212 = 31401060530269 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 3140106053432 + ... + 3140106053441.

It is an arithmetic number, because the mean of its divisors is an integer number (9420318160311).

Almost surely, 231401060534365 is an apocalyptic number.

It is an amenable number.

31401060534365 is a deficient number, since it is larger than the sum of its proper divisors (6280212106879).

31401060534365 is an equidigital number, since it uses as much as digits as its factorization.

31401060534365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280212106878.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 31401060534365 its reverse (56343506010413), we get a palindrome (87744566544778).

The spelling of 31401060534365 in words is "thirty-one trillion, four hundred one billion, sixty million, five hundred thirty-four thousand, three hundred sixty-five".

Divisors: 1 5 6280212106873 31401060534365