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3131122003133 = 10928725889937
BaseRepresentation
bin101101100100000101011…
…010100010110010111101
3102002022222021110012000112
4231210011122202302331
5402300014213100013
610354230111035405
7442134056615435
oct55440532426275
912068867405015
103131122003133
11aa79a0819423
124269ba50bb65
13199356cba4c7
14ab7933cb2c5
15566aad37ba8
hex2d9056a2cbd

3131122003133 has 4 divisors (see below), whose sum is σ = 3159847893180. Its totient is φ = 3102396113088.

The previous prime is 3131122003129. The next prime is 3131122003151. The reversal of 3131122003133 is 3313002211313.

3131122003133 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2632061703769 + 499060299364 = 1622363^2 + 706442^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131122003133 - 22 = 3131122003129 is a prime.

It is a super-2 number, since 2×31311220031332 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131122003099 and 3131122003108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131122003193) 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, 14362944860 + ... + 14362945077.

It is an arithmetic number, because the mean of its divisors is an integer number (789961973295).

Almost surely, 23131122003133 is an apocalyptic number.

It is an amenable number.

3131122003133 is a deficient number, since it is larger than the sum of its proper divisors (28725890047).

3131122003133 is a wasteful number, since it uses less digits than its factorization.

3131122003133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28725890046.

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

Adding to 3131122003133 its reverse (3313002211313), we get a palindrome (6444124214446).

The spelling of 3131122003133 in words is "three trillion, one hundred thirty-one billion, one hundred twenty-two million, three thousand, one hundred thirty-three".

Divisors: 1 109 28725889937 3131122003133