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202031311201 = 316517139071
BaseRepresentation
bin1011110000101000000…
…0010010100101100001
3201022110220112222121121
42330022000102211201
511302230003424301
6232451212052241
720411344545046
oct2741200224541
9638426488547
10202031311201
1178754454395
12331a3a64081
131608910a275
149ac7bab1cd
1553c696e3a1
hex2f0a012961

202031311201 has 4 divisors (see below), whose sum is σ = 208548450304. Its totient is φ = 195514172100.

The previous prime is 202031311199. The next prime is 202031311283. The reversal of 202031311201 is 102113130202.

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 202031311201 - 21 = 202031311199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202031311291) 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, 3258569505 + ... + 3258569566.

It is an arithmetic number, because the mean of its divisors is an integer number (52137112576).

Almost surely, 2202031311201 is an apocalyptic number.

It is an amenable number.

202031311201 is a deficient number, since it is larger than the sum of its proper divisors (6517139103).

202031311201 is an equidigital number, since it uses as much as digits as its factorization.

202031311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517139102.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202031311201 its reverse (102113130202), we get a palindrome (304144441403).

The spelling of 202031311201 in words is "two hundred two billion, thirty-one million, three hundred eleven thousand, two hundred one".

Divisors: 1 31 6517139071 202031311201