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200232231031 = 7251211138673
BaseRepresentation
bin1011101001111011000…
…1010110000001110111
3201010211112021020120201
42322132301112001313
511240033422343111
6231552503341331
720315640611260
oct2723661260167
9633745236521
10200232231031
1177a10968878
1232981451847
1315b6047caa1
149996c93967
15531da486c1
hex2e9ec56077

200232231031 has 8 divisors (see below), whose sum is σ = 228846145824. Its totient is φ = 171620643840.

The previous prime is 200232231011. The next prime is 200232231091. The reversal of 200232231031 is 130132232002.

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 200232231031 - 229 = 199695360119 is a prime.

It is a super-2 number, since 2×2002322310312 (a number of 23 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 (200232231011) 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, 393490 + ... + 745183.

It is an arithmetic number, because the mean of its divisors is an integer number (28605768228).

Almost surely, 2200232231031 is an apocalyptic number.

200232231031 is a deficient number, since it is larger than the sum of its proper divisors (28613914793).

200232231031 is a wasteful number, since it uses less digits than its factorization.

200232231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163801.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 200232231031 its reverse (130132232002), we get a palindrome (330364463033).

The spelling of 200232231031 in words is "two hundred billion, two hundred thirty-two million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 7 25121 175847 1138673 7970711 28604604433 200232231031