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3201211311031 = 31103264881001
BaseRepresentation
bin101110100101010111000…
…100000010001110110111
3102100000212220211221022001
4232211113010002032313
5404422040043423111
610450341032120131
7450165000116116
oct56452704021667
912300786757261
103201211311031
111024698369878
124384bb236047
131a2b46aa3a66
14b0d21c0dc7d
155840e1da1c1
hex2e9571023b7

3201211311031 has 4 divisors (see below), whose sum is σ = 3304476192064. Its totient is φ = 3097946430000.

The previous prime is 3201211311013. The next prime is 3201211311037. The reversal of 3201211311031 is 1301131121023.

3201211311031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3201211311031 - 211 = 3201211308983 is a prime.

It is a super-2 number, since 2×32012113110312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201211311037) 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, 51632440470 + ... + 51632440531.

It is an arithmetic number, because the mean of its divisors is an integer number (826119048016).

Almost surely, 23201211311031 is an apocalyptic number.

3201211311031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3201211311031 is a deficient number, since it is larger than the sum of its proper divisors (103264881033).

3201211311031 is a wasteful number, since it uses less digits than its factorization.

3201211311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103264881032.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3201211311031 its reverse (1301131121023), we get a palindrome (4502342432054).

The spelling of 3201211311031 in words is "three trillion, two hundred one billion, two hundred eleven million, three hundred eleven thousand, thirty-one".

Divisors: 1 31 103264881001 3201211311031