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203203232200031 = 71091145323817691
BaseRepresentation
bin101110001100111111110000…
…011110001111010101011111
3222122111001001122010210102012
4232030333300132033111133
5203113240204420400111
62000102135352221435
760541643344626410
oct5614776036172537
9878431048123365
10203203232200031
1159824009096a18
121a95a19339a87b
13894cca0941c3b
143827135da9807
151875bb08b648b
hexb8cff078f55f

203203232200031 has 32 divisors (see below), whose sum is σ = 232733051905536. Its totient is φ = 173799155376000.

The previous prime is 203203232199937. The next prime is 203203232200037. The reversal of 203203232200031 is 130002232302302.

It is not a de Polignac number, because 203203232200031 - 214 = 203203232183647 is a prime.

It is a super-2 number, since 2×2032032322000312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203203232200037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26420907896 + ... + 26420915586.

It is an arithmetic number, because the mean of its divisors is an integer number (7272907872048).

Almost surely, 2203203232200031 is an apocalyptic number.

203203232200031 is a deficient number, since it is larger than the sum of its proper divisors (29529819705505).

203203232200031 is a wasteful number, since it uses less digits than its factorization.

203203232200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12623.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203203232200031 its reverse (130002232302302), we get a palindrome (333205464502333).

The spelling of 203203232200031 in words is "two hundred three trillion, two hundred three billion, two hundred thirty-two million, two hundred thousand, thirty-one".

Divisors: 1 7 1091 1453 2381 7637 7691 10171 16667 53837 1585223 2597671 3459593 8390881 11096561 11175023 18183697 18312271 24217151 58736167 78225161 128185897 3774415963 12191950093 19978687661 26420911741 26607729763 85343650651 139850813627 186254108341 29029033171433 203203232200031