Search a number
-
+
31051040214101 = 367213623396061
BaseRepresentation
bin1110000111101101000100…
…01110001100110001010101
311001221110011101021201002012
413003312202032030301111
513032220012243322401
6150012352334354005
76353235502661165
oct703664216146125
9131843141251065
1031051040214101
11999174377a276
123595a9665b905
13144313cb24abb
14794c4233c5a5
1538ca973ab8bb
hex1c3da238cc55

31051040214101 has 8 divisors (see below), whose sum is σ = 31135872317184. Its totient is φ = 30966209331120.

The previous prime is 31051040214041. The next prime is 31051040214107. The reversal of 31051040214101 is 10141204015013.

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 31051040214101 - 210 = 31051040213077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31051040214107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78201611 + ... + 78597671.

It is an arithmetic number, because the mean of its divisors is an integer number (3891984039648).

Almost surely, 231051040214101 is an apocalyptic number.

It is an amenable number.

31051040214101 is a deficient number, since it is larger than the sum of its proper divisors (84832103083).

31051040214101 is a wasteful number, since it uses less digits than its factorization.

31051040214101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610051.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 31051040214101 its reverse (10141204015013), we get a palindrome (41192244229114).

The spelling of 31051040214101 in words is "thirty-one trillion, fifty-one billion, forty million, two hundred fourteen thousand, one hundred one".

Divisors: 1 367 213623 396061 78399641 145354387 84607739003 31051040214101