Search a number
-
+
31353120134241 = 310451040044747
BaseRepresentation
bin1110010000011111101111…
…00101101001010001100001
311010000022212211221121212120
413020033313211221101201
513102142142223243431
6150403231411414453
76414121354636623
oct710176745512141
9133008784847776
1031353120134241
119a98868a3a334
1236245405b4429
131465781830989
147a56db7c0c13
15395877468196
hex1c83f7969461

31353120134241 has 4 divisors (see below), whose sum is σ = 41804160178992. Its totient is φ = 20902080089492.

The previous prime is 31353120134209. The next prime is 31353120134251. The reversal of 31353120134241 is 14243102135313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31353120134241 - 25 = 31353120134209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31353120134251) 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 3 ways as a sum of consecutive naturals, for example, 5225520022371 + ... + 5225520022376.

It is an arithmetic number, because the mean of its divisors is an integer number (10451040044748).

Almost surely, 231353120134241 is an apocalyptic number.

It is an amenable number.

31353120134241 is a deficient number, since it is larger than the sum of its proper divisors (10451040044751).

31353120134241 is a wasteful number, since it uses less digits than its factorization.

31353120134241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10451040044750.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 31353120134241 its reverse (14243102135313), we get a palindrome (45596222269554).

The spelling of 31353120134241 in words is "thirty-one trillion, three hundred fifty-three billion, one hundred twenty million, one hundred thirty-four thousand, two hundred forty-one".

Divisors: 1 3 10451040044747 31353120134241