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10213232131 = 31329459101
BaseRepresentation
bin10011000001100000…
…11000111000000011
3222100202222221121201
421200300120320003
5131404041412011
64405241002031
7511044016654
oct114060307003
928322887551
1010213232131
114371115513
121b90483317
13c69c2852b
146cc5cb52b
153eb97ccc1
hex260c18e03

10213232131 has 4 divisors (see below), whose sum is σ = 10542691264. Its totient is φ = 9883773000.

The previous prime is 10213232119. The next prime is 10213232189. The reversal of 10213232131 is 13123231201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10213232131 - 221 = 10211134979 is a prime.

It is a super-2 number, since 2×102132321312 (a number of 21 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 = 10213232099 and 10213232108.

It is not an unprimeable number, because it can be changed into a prime (10213232191) 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, 164729520 + ... + 164729581.

It is an arithmetic number, because the mean of its divisors is an integer number (2635672816).

Almost surely, 210213232131 is an apocalyptic number.

10213232131 is a deficient number, since it is larger than the sum of its proper divisors (329459133).

10213232131 is an equidigital number, since it uses as much as digits as its factorization.

10213232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329459132.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10213232131 its reverse (13123231201), we get a palindrome (23336463332).

The spelling of 10213232131 in words is "ten billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 31 329459101 10213232131