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31203000100211 = 192297171454861
BaseRepresentation
bin1110001100001000000111…
…01111001010010101110011
311002110222101201121202021012
413012010003233022111303
513042212221011201321
6150210243234221135
76400225300463132
oct706040357122563
9132428351552235
1031203000100211
119a40133106905
1235bb4257247ab
131454579444c84
1479c33a105919
153919dd07805b
hex1c6103bca573

31203000100211 has 8 divisors (see below), whose sum is σ = 32988692365200. Its totient is φ = 29431650745440.

The previous prime is 31203000100093. The next prime is 31203000100229. The reversal of 31203000100211 is 11200100030213.

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

It is a de Polignac number, because none of the positive numbers 2k-31203000100211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31203000100411) 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, 3585723080 + ... + 3585731781.

It is an arithmetic number, because the mean of its divisors is an integer number (4123586545650).

Almost surely, 231203000100211 is an apocalyptic number.

31203000100211 is a deficient number, since it is larger than the sum of its proper divisors (1785692264989).

31203000100211 is a wasteful number, since it uses less digits than its factorization.

31203000100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171455109.

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

Adding to 31203000100211 its reverse (11200100030213), we get a palindrome (42403100130424).

The spelling of 31203000100211 in words is "thirty-one trillion, two hundred three billion, one hundred thousand, two hundred eleven".

Divisors: 1 19 229 4351 7171454861 136257642359 1642263163169 31203000100211