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3102031302013 = 7443147328859
BaseRepresentation
bin101101001000111111011…
…110010100110101111101
3101222112212220011110012201
4231020333132110311331
5401310430003131023
610333015320231501
7440054141004640
oct55107736246575
911875786143181
103102031302013
11a96622889076
1242124000b591
1319669c1264a7
14aa1d3a3da57
1555a56e75bad
hex2d23f794d7d

3102031302013 has 4 divisors (see below), whose sum is σ = 3545178630880. Its totient is φ = 2658883973148.

The previous prime is 3102031301983. The next prime is 3102031302037.

3102031302013 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 3102031302013 - 25 = 3102031301981 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 (3102031302913) 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, 221573664423 + ... + 221573664436.

It is an arithmetic number, because the mean of its divisors is an integer number (886294657720).

Almost surely, 23102031302013 is an apocalyptic number.

It is an amenable number.

3102031302013 is a deficient number, since it is larger than the sum of its proper divisors (443147328867).

3102031302013 is an equidigital number, since it uses as much as digits as its factorization.

3102031302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443147328866.

The product of its (nonzero) digits is 324, while the sum is 19.

The spelling of 3102031302013 in words is "three trillion, one hundred two billion, thirty-one million, three hundred two thousand, thirteen".

Divisors: 1 7 443147328859 3102031302013