Search a number
-
+
31324312063 = 1111712431823
BaseRepresentation
bin11101001011000100…
…110001000111111111
32222212001012221000001
4131023010301013333
51003123010441223
622220140415131
72156150154652
oct351304610777
988761187001
1031324312063
1112314837310
1260a25474a7
132c528630c5
141732297899
15c3501c9ad
hex74b1311ff

31324312063 has 8 divisors (see below), whose sum is σ = 34201172736. Its totient is φ = 28452317400.

The previous prime is 31324312031. The next prime is 31324312067. The reversal of 31324312063 is 36021342313.

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 31324312063 - 25 = 31324312031 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 (31324312067) 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, 1203031 + ... + 1228792.

It is an arithmetic number, because the mean of its divisors is an integer number (4275146592).

Almost surely, 231324312063 is an apocalyptic number.

31324312063 is a deficient number, since it is larger than the sum of its proper divisors (2876860673).

31324312063 is a wasteful number, since it uses less digits than its factorization.

31324312063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433005.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31324312063 its reverse (36021342313), we get a palindrome (67345654376).

The spelling of 31324312063 in words is "thirty-one billion, three hundred twenty-four million, three hundred twelve thousand, sixty-three".

Divisors: 1 11 1171 12881 2431823 26750053 2847664733 31324312063