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203202142131 = 3671010955931
BaseRepresentation
bin1011110100111111001…
…0101001111110110011
3201102111111200100201010
42331033302221332303
511312124222022011
6233203315042003
720452352465232
oct2751762517663
9642444610633
10203202142131
11791a5347a5a
123346bba0303
131621485aa31
149b994a6b19
1554446471a6
hex2f4fca9fb3

203202142131 has 8 divisors (see below), whose sum is σ = 274980013504. Its totient is φ = 133446182760.

The previous prime is 203202142049. The next prime is 203202142177. The reversal of 203202142131 is 131241202302.

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

It is not a de Polignac number, because 203202142131 - 29 = 203202141619 is a prime.

It is a super-2 number, since 2×2032021421312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203202142098 and 203202142107.

It is not an unprimeable number, because it can be changed into a prime (203202142631) 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, 505477765 + ... + 505478166.

It is an arithmetic number, because the mean of its divisors is an integer number (34372501688).

Almost surely, 2203202142131 is an apocalyptic number.

203202142131 is a deficient number, since it is larger than the sum of its proper divisors (71777871373).

203202142131 is a wasteful number, since it uses less digits than its factorization.

203202142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010956001.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 203202142131 its reverse (131241202302), we get a palindrome (334443344433).

The spelling of 203202142131 in words is "two hundred three billion, two hundred two million, one hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 3 67 201 1010955931 3032867793 67734047377 203202142131