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31030101200009 = 231349134834783
BaseRepresentation
bin1110000111000110000100…
…01010001100110010001001
311001212110010002211120122202
413003203002022030302021
513031344121401400014
6145555010502525545
76351564556204652
oct703430212146211
9131773102746582
1031030101200009
1199838791a104a
123591a121368b5
131441183a43932
14793c17462529
1538c26dea93de
hex1c38c228cc89

31030101200009 has 4 divisors (see below), whose sum is σ = 32379236034816. Its totient is φ = 29680966365204.

The previous prime is 31030101199997. The next prime is 31030101200011. The reversal of 31030101200009 is 90000210103013.

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 a de Polignac number, because none of the positive numbers 2k-31030101200009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31030101200029) 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, 674567417369 + ... + 674567417414.

It is an arithmetic number, because the mean of its divisors is an integer number (8094809008704).

Almost surely, 231030101200009 is an apocalyptic number.

It is an amenable number.

31030101200009 is a deficient number, since it is larger than the sum of its proper divisors (1349134834807).

31030101200009 is a wasteful number, since it uses less digits than its factorization.

31030101200009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349134834806.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 31030101200009 in words is "thirty-one trillion, thirty billion, one hundred one million, two hundred thousand, nine".

Divisors: 1 23 1349134834783 31030101200009