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203131344419 = 307971681427
BaseRepresentation
bin1011110100101110010…
…0100101011000100011
3201102022120110110111122
42331023210211120203
511312003111010134
6233152305402455
720450532640013
oct2751344453043
9642276413448
10203131344419
1179169391653
123345033942b
1316202ca00b3
149b8dd17c43
15543d31002e
hex2f4b925623

203131344419 has 8 divisors (see below), whose sum is σ = 204003188928. Its totient is φ = 202260865320.

The previous prime is 203131344407. The next prime is 203131344431. The reversal of 203131344419 is 914443131302.

203131344419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (203131344407) and next prime (203131344431).

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

It is a cyclic number.

It is not a de Polignac number, because 203131344419 - 220 = 203130295843 is a prime.

It is a super-2 number, since 2×2031313444192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203131344719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42617 + ... + 638810.

It is an arithmetic number, because the mean of its divisors is an integer number (25500398616).

Almost surely, 2203131344419 is an apocalyptic number.

203131344419 is a deficient number, since it is larger than the sum of its proper divisors (871844509).

203131344419 is an equidigital number, since it uses as much as digits as its factorization.

203131344419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682705.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 203131344419 in words is "two hundred three billion, one hundred thirty-one million, three hundred forty-four thousand, four hundred nineteen".

Divisors: 1 307 971 298097 681427 209198089 661665617 203131344419