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2101113030131 = 3784755515973
BaseRepresentation
bin11110100100110100000…
…110001000010111110011
321102212100011211222111222
4132210310012020113303
5233411034413431011
64245123224055255
7304541353036253
oct36446406102763
97385304758458
102101113030131
117400935909a5
1229b26260452b
1312319883760b
14739a1681963
15399c4cc3ddb
hex1e9341885f3

2101113030131 has 4 divisors (see below), whose sum is σ = 2101168583952. Its totient is φ = 2101057476312.

The previous prime is 2101113030119. The next prime is 2101113030151. The reversal of 2101113030131 is 1310303111012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2101113030131 is a prime.

It is a super-2 number, since 2×21011130301312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101113030151) 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, 27720140 + ... + 27795833.

It is an arithmetic number, because the mean of its divisors is an integer number (525292145988).

Almost surely, 22101113030131 is an apocalyptic number.

2101113030131 is a deficient number, since it is larger than the sum of its proper divisors (55553821).

2101113030131 is an equidigital number, since it uses as much as digits as its factorization.

2101113030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55553820.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 2101113030131 its reverse (1310303111012), we get a palindrome (3411416141143).

The spelling of 2101113030131 in words is "two trillion, one hundred one billion, one hundred thirteen million, thirty thousand, one hundred thirty-one".

Divisors: 1 37847 55515973 2101113030131