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3101221013 = 111621173923
BaseRepresentation
bin1011100011011000…
…1110000010010101
322000010111100110112
42320312032002111
522322403033023
61231421532405
7136564641452
oct27066160225
98003440415
103101221013
111351616280
12726714105
133a5664a27
14215c34829
151323da478
hexb8d8e095

3101221013 has 8 divisors (see below), whose sum is σ = 3385256736. Its totient is φ = 2817536400.

The previous prime is 3101220989. The next prime is 3101221043.

3101221013 is nontrivially palindromic in base 10.

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 3101221013 - 220 = 3100172437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101221043) 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, 69131 + ... + 104792.

It is an arithmetic number, because the mean of its divisors is an integer number (423157092).

Almost surely, 23101221013 is an apocalyptic number.

It is an amenable number.

3101221013 is a deficient number, since it is larger than the sum of its proper divisors (284035723).

3101221013 is a wasteful number, since it uses less digits than its factorization.

3101221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175555.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3101221013 is about 55688.6075692327. The cubic root of 3101221013 is about 1458.2911471211.

It can be divided in two parts, 31012 and 21013, that added together give a palindrome (52025).

The spelling of 3101221013 in words is "three billion, one hundred one million, two hundred twenty-one thousand, thirteen".

Divisors: 1 11 1621 17831 173923 1913153 281929183 3101221013