Search a number
-
+
13031131333 = 1115116348131
BaseRepresentation
bin11000010001011011…
…10100100011000101
31020122011101001121211
430020231310203011
5203141432200313
65553022211421
7640631534353
oct141055644305
936564331554
1013031131333
115587808930
122638123b71
1312c89818cc
148b89507d3
15514050e3d
hex308b748c5

13031131333 has 16 divisors (see below), whose sum is σ = 14398013952. Its totient is φ = 11695590000.

The previous prime is 13031131327. The next prime is 13031131349. The reversal of 13031131333 is 33313113031.

It is a cyclic number.

It is not a de Polignac number, because 13031131333 - 29 = 13031130821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031131303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246678 + ... + 294808.

It is an arithmetic number, because the mean of its divisors is an integer number (899875872).

Almost surely, 213031131333 is an apocalyptic number.

It is an amenable number.

13031131333 is a deficient number, since it is larger than the sum of its proper divisors (1366882619).

13031131333 is a wasteful number, since it uses less digits than its factorization.

13031131333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48456.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 13031131333 its reverse (33313113031), we get a palindrome (46344244364).

The spelling of 13031131333 in words is "thirteen billion, thirty-one million, one hundred thirty-one thousand, three hundred thirty-three".

Divisors: 1 11 151 163 1661 1793 24613 48131 270743 529441 7267781 7845353 79945591 86298883 1184648303 13031131333