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313001040121 = 7211739785801
BaseRepresentation
bin1001000111000000101…
…00001101100011111001
31002220220120200021222121
410203200110031203321
520112011231240441
6355442442321241
731420312641400
oct4434024154371
91086816607877
10313001040121
11110819a22160
12507b34b9221
13236924a5b63
1411213a9c637
15821dc68dd1
hex48e050d8f9

313001040121 has 24 divisors (see below), whose sum is σ = 397741540320. Its totient is φ = 243566568000.

The previous prime is 313001040103. The next prime is 313001040133. The reversal of 313001040121 is 121040100313.

It is not a de Polignac number, because 313001040121 - 25 = 313001040089 is a prime.

It is a super-2 number, since 2×3130010401212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313001040095 and 313001040104.

It is not an unprimeable number, because it can be changed into a prime (313001040421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5421 + ... + 791221.

It is an arithmetic number, because the mean of its divisors is an integer number (16572564180).

Almost surely, 2313001040121 is an apocalyptic number.

It is an amenable number.

313001040121 is a deficient number, since it is larger than the sum of its proper divisors (84740500199).

313001040121 is a wasteful number, since it uses less digits than its factorization.

313001040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786565 (or 786558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 313001040121 its reverse (121040100313), we get a palindrome (434041140434).

The spelling of 313001040121 in words is "three hundred thirteen billion, one million, forty thousand, one hundred twenty-one".

Divisors: 1 7 11 49 77 539 739 5173 8129 36211 56903 398321 785801 5500607 8643811 38504249 60506677 423546739 580706939 4064948573 6387776329 28454640011 44714434303 313001040121