Search a number
-
+
311300131001 = 1609792724407
BaseRepresentation
bin1001000011110101110…
…11110000100010111001
31002202112001010011022112
410201322323300202321
520100020313143001
6355002002102105
731330210311566
oct4417273604271
91082461104275
10311300131001
11110026898a42
12503b994a935
1323480c9b862
14110d1c1b86d
15816e785cbb
hex487aef08b9

311300131001 has 8 divisors (see below), whose sum is σ = 311545664640. Its totient is φ = 311054665248.

The previous prime is 311300130971. The next prime is 311300131031. The reversal of 311300131001 is 100131003113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (311300130971) and next prime (311300131031).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-311300131001 is a prime.

It is a super-2 number, since 2×3113001310012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311300131031) 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, 12742340 + ... + 12766746.

It is an arithmetic number, because the mean of its divisors is an integer number (38943208080).

Almost surely, 2311300131001 is an apocalyptic number.

It is an amenable number.

311300131001 is a deficient number, since it is larger than the sum of its proper divisors (245533639).

311300131001 is a wasteful number, since it uses less digits than its factorization.

311300131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33943.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 311300131001 its reverse (100131003113), we get a palindrome (411431134114).

The spelling of 311300131001 in words is "three hundred eleven billion, three hundred million, one hundred thirty-one thousand, one".

Divisors: 1 1609 7927 24407 12754543 39270863 193474289 311300131001