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200313010031 = 316461710001
BaseRepresentation
bin1011101010001110010…
…1011111011101101111
3201011001011021020112112
42322203211133131233
511240220112310111
6232004510554235
720320641330461
oct2724345373557
9634034236475
10200313010031
1177a52521282
12329a450897b
1315b74123904
1499a38c0131
155325ba2e8b
hex2ea395f76f

200313010031 has 4 divisors (see below), whose sum is σ = 206774720064. Its totient is φ = 193851300000.

The previous prime is 200313010013. The next prime is 200313010043. The reversal of 200313010031 is 130010313002.

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 200313010031 - 210 = 200313009007 is a prime.

It is a super-2 number, since 2×2003130100312 (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 = 200313009988 and 200313010015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200313070031) 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, 3230854970 + ... + 3230855031.

It is an arithmetic number, because the mean of its divisors is an integer number (51693680016).

Almost surely, 2200313010031 is an apocalyptic number.

200313010031 is a deficient number, since it is larger than the sum of its proper divisors (6461710033).

200313010031 is an equidigital number, since it uses as much as digits as its factorization.

200313010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461710032.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 200313010031 its reverse (130010313002), we get a palindrome (330323323033).

The spelling of 200313010031 in words is "two hundred billion, three hundred thirteen million, ten thousand, thirty-one".

Divisors: 1 31 6461710001 200313010031