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313125467531 = 4365311151589
BaseRepresentation
bin1001000111001111011…
…10110111010110001011
31002221020020210212022012
410203213232313112023
520112240104430111
6355503045250135
731423353362462
oct4434756672613
91087206725265
10313125467531
11110883188328
125082910394b
13236b21c0046
141122640b9d9
158229b4648b
hex48e7bb758b

313125467531 has 8 divisors (see below), whose sum is σ = 320898153840. Its totient is φ = 305375085792.

The previous prime is 313125467521. The next prime is 313125467537. The reversal of 313125467531 is 135764521313.

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 313125467531 - 226 = 313058358667 is a prime.

It is a super-2 number, since 2×3131254675312 (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 (313125467537) 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, 5547716 + ... + 5603873.

It is an arithmetic number, because the mean of its divisors is an integer number (40112269230).

Almost surely, 2313125467531 is an apocalyptic number.

313125467531 is a deficient number, since it is larger than the sum of its proper divisors (7772686309).

313125467531 is a wasteful number, since it uses less digits than its factorization.

313125467531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152285.

The product of its digits is 226800, while the sum is 41.

Adding to 313125467531 its reverse (135764521313), we get a palindrome (448889988844).

The spelling of 313125467531 in words is "three hundred thirteen billion, one hundred twenty-five million, four hundred sixty-seven thousand, five hundred thirty-one".

Divisors: 1 43 653 28079 11151589 479518327 7281987617 313125467531