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3131332010213 = 11284666546383
BaseRepresentation
bin101101100100010001111…
…011101010000011100101
3102002100111220121122120112
4231210101323222003211
5402300431443311323
610354303012142405
7442142216632121
oct55442173520345
912070456548515
103131332010213
11aa7a993168a0
12426a58907a05
1319938b669654
14ab7b3256581
15566be4bc178
hex2d911eea0e5

3131332010213 has 4 divisors (see below), whose sum is σ = 3415998556608. Its totient is φ = 2846665463820.

The previous prime is 3131332010189. The next prime is 3131332010239. The reversal of 3131332010213 is 3120102331313.

3131332010213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3131332010213 - 28 = 3131332009957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131332010243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142333273181 + ... + 142333273202.

It is an arithmetic number, because the mean of its divisors is an integer number (853999639152).

Almost surely, 23131332010213 is an apocalyptic number.

It is an amenable number.

3131332010213 is a deficient number, since it is larger than the sum of its proper divisors (284666546395).

3131332010213 is a wasteful number, since it uses less digits than its factorization.

3131332010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284666546394.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 3131332010213 its reverse (3120102331313), we get a palindrome (6251434341526).

The spelling of 3131332010213 in words is "three trillion, one hundred thirty-one billion, three hundred thirty-two million, ten thousand, two hundred thirteen".

Divisors: 1 11 284666546383 3131332010213