Search a number
-
+
313012031201 = 1278872778649
BaseRepresentation
bin1001000111000001111…
…10001000111011100001
31002220221100100200220122
410203200332020323201
520112022034444301
6355443514050025
731420505236352
oct4434076107341
91086840320818
10313012031201
111108251499a1
12507b7119915
132369485385c
141121531dd29
15821ebda81b
hex48e0f88ee1

313012031201 has 8 divisors (see below), whose sum is σ = 315832473600. Its totient is φ = 310197148128.

The previous prime is 313012031183. The next prime is 313012031203. The reversal of 313012031201 is 102130210313.

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-313012031201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313012031201.

It is not an unprimeable number, because it can be changed into a prime (313012031203) 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, 1276676 + ... + 1501973.

It is an arithmetic number, because the mean of its divisors is an integer number (39479059200).

Almost surely, 2313012031201 is an apocalyptic number.

It is an amenable number.

313012031201 is a deficient number, since it is larger than the sum of its proper divisors (2820442399).

313012031201 is a wasteful number, since it uses less digits than its factorization.

313012031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779663.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 313012031201 its reverse (102130210313), we get a palindrome (415142241514).

The spelling of 313012031201 in words is "three hundred thirteen billion, twelve million, thirty-one thousand, two hundred one".

Divisors: 1 127 887 112649 2778649 352888423 2464661663 313012031201