Search a number
-
+
131032424013 = 3100811433261
BaseRepresentation
bin111101000001000100…
…1000001111001001101
3110112012212121211010020
41322002021001321031
54121323300032023
6140110115332353
712316051140621
oct1720211017115
9415185554106
10131032424013
1150630429617
122148a5b10b9
13c482a5510a
1464b0657181
15361d7ebde3
hex1e82241e4d

131032424013 has 8 divisors (see below), whose sum is σ = 174712034976. Its totient is φ = 87353881200.

The previous prime is 131032424009. The next prime is 131032424057. The reversal of 131032424013 is 310424230131.

It is a happy number.

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

It is not a de Polignac number, because 131032424013 - 22 = 131032424009 is a prime.

It is a super-2 number, since 2×1310324240132 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032424063) 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, 85803 + ... + 519063.

It is an arithmetic number, because the mean of its divisors is an integer number (21839004372).

Almost surely, 2131032424013 is an apocalyptic number.

It is an amenable number.

131032424013 is a deficient number, since it is larger than the sum of its proper divisors (43679610963).

131032424013 is a wasteful number, since it uses less digits than its factorization.

131032424013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534075.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131032424013 its reverse (310424230131), we get a palindrome (441456654144).

The spelling of 131032424013 in words is "one hundred thirty-one billion, thirty-two million, four hundred twenty-four thousand, thirteen".

Divisors: 1 3 100811 302433 433261 1299783 43677474671 131032424013