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3100131113 = 13123665123
BaseRepresentation
bin1011100011001000…
…0011111100101001
322000001102222101212
42320302003330221
522322113143423
61231342322505
7136552452062
oct27062037451
98001388355
103100131113
111350a41432
12726289435
133a5372911
14215a2d569
15132272578
hexb8c83f29

3100131113 has 4 divisors (see below), whose sum is σ = 3123796368. Its totient is φ = 3076465860.

The previous prime is 3100131103. The next prime is 3100131121. The reversal of 3100131113 is 3111310013.

It is a happy number.

3100131113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3111310013 = 7444472859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3100131113 is a prime.

It is a super-2 number, since 2×31001311132 = 19221625835581237538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3100131103) 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, 11832431 + ... + 11832692.

It is an arithmetic number, because the mean of its divisors is an integer number (780949092).

Almost surely, 23100131113 is an apocalyptic number.

It is an amenable number.

3100131113 is a deficient number, since it is larger than the sum of its proper divisors (23665255).

3100131113 is a wasteful number, since it uses less digits than its factorization.

3100131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23665254.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 3100131113 is about 55678.8210453490. The cubic root of 3100131113 is about 1458.1202920778.

Adding to 3100131113 its reverse (3111310013), we get a palindrome (6211441126).

The spelling of 3100131113 in words is "three billion, one hundred million, one hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 131 23665123 3100131113