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3031312343131 = 20892517157649
BaseRepresentation
bin101100000111001000010…
…010111010000001011011
3101201210100100222010011101
4230013020102322001123
5344131111424440011
610240322103412231
7432001513532152
oct54071022720133
911653310863141
103031312343131
11a69632878606
1240b5a4454077
1318cb0ba621a7
14a6a05756599
1553cb869a2c1
hex2c1c84ba05b

3031312343131 has 8 divisors (see below), whose sum is σ = 3032936522000. Its totient is φ = 3029688334080.

The previous prime is 3031312343117. The next prime is 3031312343219. The reversal of 3031312343131 is 1313432131303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3031312343131 is a prime.

It is a super-2 number, since 2×30313123431312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3031312343131.

It is not an unprimeable number, because it can be changed into a prime (3031312343431) 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, 52553395 + ... + 52611043.

It is an arithmetic number, because the mean of its divisors is an integer number (379117065250).

Almost surely, 23031312343131 is an apocalyptic number.

3031312343131 is a deficient number, since it is larger than the sum of its proper divisors (1624178869).

3031312343131 is a wasteful number, since it uses less digits than its factorization.

3031312343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84909.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 3031312343131 its reverse (1313432131303), we get a palindrome (4344744474434).

The spelling of 3031312343131 in words is "three trillion, thirty-one billion, three hundred twelve million, three hundred forty-three thousand, one hundred thirty-one".

Divisors: 1 2089 25171 57649 52582219 120428761 1451082979 3031312343131