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3101103213 = 31379515467
BaseRepresentation
bin1011100011010111…
…0001010001101101
322000010021100212120
42320311301101231
522322340300323
61231415223153
7136563641145
oct27065612155
98003240776
103101103213
11135154581a
12726677ab9
133a5623220
14215c03925
151323b55e3
hexb8d7146d

3101103213 has 8 divisors (see below), whose sum is σ = 4452866208. Its totient is φ = 1908371184.

The previous prime is 3101103151. The next prime is 3101103217. The reversal of 3101103213 is 3123011013.

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

It is not a de Polignac number, because 3101103213 - 210 = 3101102189 is a prime.

It is a super-2 number, since 2×31011032132 = 19233682275357846738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3101103192 and 3101103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101103217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39757695 + ... + 39757772.

It is an arithmetic number, because the mean of its divisors is an integer number (556608276).

Almost surely, 23101103213 is an apocalyptic number.

It is an amenable number.

3101103213 is a deficient number, since it is larger than the sum of its proper divisors (1351762995).

3101103213 is a wasteful number, since it uses less digits than its factorization.

3101103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79515483.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3101103213 is about 55687.5498922335. The cubic root of 3101103213 is about 1458.2726824721.

Adding to 3101103213 its reverse (3123011013), we get a palindrome (6224114226).

The spelling of 3101103213 in words is "three billion, one hundred one million, one hundred three thousand, two hundred thirteen".

Divisors: 1 3 13 39 79515467 238546401 1033701071 3101103213