Search a number
-
+
13013212031 is a prime number
BaseRepresentation
bin11000001111010010…
…11101101101111111
31020120220122122221222
430013221131231333
5203122340241111
65551142143555
7640323322451
oct140751355577
936526578858
1013013212031
115578689896
122632121bbb
1312c5049581
148b64082d1
155126b17db
hex307a5db7f

13013212031 has 2 divisors, whose sum is σ = 13013212032. Its totient is φ = 13013212030.

The previous prime is 13013212007. The next prime is 13013212063. The reversal of 13013212031 is 13021231031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13013212031 is a prime.

It is a super-2 number, since 2×130132120312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13013212931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506606015 + 6506606016.

It is an arithmetic number, because the mean of its divisors is an integer number (6506606016).

Almost surely, 213013212031 is an apocalyptic number.

13013212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13013212031 is an equidigital number, since it uses as much as digits as its factorization.

13013212031 is an evil number, because the sum of its binary digits is even.

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

Adding to 13013212031 its reverse (13021231031), we get a palindrome (26034443062).

The spelling of 13013212031 in words is "thirteen billion, thirteen million, two hundred twelve thousand, thirty-one".