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2110130131 = 19910603669
BaseRepresentation
bin111110111000110…
…0000011111010011
312110001120201100211
41331301200133103
513310143131011
6545215224551
7103201544614
oct17561403723
95401521324
102110130131
11993127aaa
124aa818157
13278226a15
14160365c0b
15c53b8b21
hex7dc607d3

2110130131 has 4 divisors (see below), whose sum is σ = 2120734000. Its totient is φ = 2099526264.

The previous prime is 2110130129. The next prime is 2110130137. The reversal of 2110130131 is 1310310112.

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 2110130131 - 21 = 2110130129 is a prime.

It is a super-2 number, since 2×21101301312 = 8905298339508154322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110130137) 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, 5301636 + ... + 5302033.

It is an arithmetic number, because the mean of its divisors is an integer number (530183500).

Almost surely, 22110130131 is an apocalyptic number.

2110130131 is a deficient number, since it is larger than the sum of its proper divisors (10603869).

2110130131 is a wasteful number, since it uses less digits than its factorization.

2110130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603868.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2110130131 is about 45936.1527666390. The cubic root of 2110130131 is about 1282.6349794792.

Adding to 2110130131 its reverse (1310310112), we get a palindrome (3420440243).

The spelling of 2110130131 in words is "two billion, one hundred ten million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 199 10603669 2110130131