Search a number
-
+
313113001221231 = 3176139470612181
BaseRepresentation
bin100011100110001100100110…
…1001101100101110001101111
31112001122022101102011221001120
41013030121031031211301233
5312020020411303034411
63025534043233112023
7122644445030002161
oct10714311515456157
91461568342157046
10313113001221231
1190849529394252
122b14b4926b8613
13105935772ab483
145746a70484931
15262ebc3824106
hex11cc64d365c6f

313113001221231 has 8 divisors (see below), whose sum is σ = 442041884077104. Its totient is φ = 196463059589760.

The previous prime is 313113001221221. The next prime is 313113001221233. The reversal of 313113001221231 is 132122100311313.

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

It is not a de Polignac number, because 313113001221231 - 225 = 313112967666799 is a prime.

It is a super-2 number, since 2×3131130012212312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313113001221233) 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, 3069735306040 + ... + 3069735306141.

It is an arithmetic number, because the mean of its divisors is an integer number (55255235509638).

Almost surely, 2313113001221231 is an apocalyptic number.

313113001221231 is a deficient number, since it is larger than the sum of its proper divisors (128928882855873).

313113001221231 is a wasteful number, since it uses less digits than its factorization.

313113001221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139470612201.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 313113001221231 its reverse (132122100311313), we get a palindrome (445235101532544).

The spelling of 313113001221231 in words is "three hundred thirteen trillion, one hundred thirteen billion, one million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 3 17 51 6139470612181 18418411836543 104371000407077 313113001221231