Search a number
-
+
31321302321211 = 77361294133701
BaseRepresentation
bin1110001111100100011110…
…00110010100100000111011
311002220021202102010020210221
413013302033012110200323
513101132011343234321
6150340450241320511
76411614032663420
oct707621706244073
9132807672106727
1031321302321211
119a86320685491
12361a340936137
13146278097c986
147a3d5db83d47
15394b13e67e41
hex1c7c8f19483b

31321302321211 has 8 divisors (see below), whose sum is σ = 36286127151584. Its totient is φ = 26479065758400.

The previous prime is 31321302321173. The next prime is 31321302321259. The reversal of 31321302321211 is 11212320312313.

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

It is a cyclic number.

It is not a de Polignac number, because 31321302321211 - 29 = 31321302320699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31321302321311) 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 7 ways as a sum of consecutive naturals, for example, 30647066340 + ... + 30647067361.

It is an arithmetic number, because the mean of its divisors is an integer number (4535765893948).

Almost surely, 231321302321211 is an apocalyptic number.

31321302321211 is a deficient number, since it is larger than the sum of its proper divisors (4964824830373).

31321302321211 is an equidigital number, since it uses as much as digits as its factorization.

31321302321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61294133781.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31321302321211 its reverse (11212320312313), we get a palindrome (42533622633524).

The spelling of 31321302321211 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred two million, three hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 73 511 61294133701 429058935907 4474471760173 31321302321211