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2130102331 = 71916015807
BaseRepresentation
bin111111011110110…
…1100100000111011
312111110011102001221
41332331230200323
513330301233311
6551211252511
7103533366610
oct17675544073
95443142057
102130102331
119a3429455
124b544a137
1327c3ca5a6
14162c84507
15c7011671
hex7ef6c83b

2130102331 has 8 divisors (see below), whose sum is σ = 2562529280. Its totient is φ = 1729707048.

The previous prime is 2130102323. The next prime is 2130102341. The reversal of 2130102331 is 1332010312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130102331 - 23 = 2130102323 is a prime.

It is a super-2 number, since 2×21301023312 = 9074671881063267122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130102341) 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, 8007771 + ... + 8008036.

It is an arithmetic number, because the mean of its divisors is an integer number (320316160).

Almost surely, 22130102331 is an apocalyptic number.

2130102331 is a deficient number, since it is larger than the sum of its proper divisors (432426949).

2130102331 is a wasteful number, since it uses less digits than its factorization.

2130102331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16015833.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2130102331 is about 46153.0316555695. The cubic root of 2130102331 is about 1286.6689555906.

Adding to 2130102331 its reverse (1332010312), we get a palindrome (3462112643).

The spelling of 2130102331 in words is "two billion, one hundred thirty million, one hundred two thousand, three hundred thirty-one".

Divisors: 1 7 19 133 16015807 112110649 304300333 2130102331