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200000000031031 = 975036436374987
BaseRepresentation
bin101101011110011000100000…
…111101001111100100110111
3222020010210221212200122010201
4231132120200331033210313
5202203300000001443111
61545210422010101331
760061344305504134
oct5536304075174467
9866123855618121
10200000000031031
11587a95840346a2
121a52140b41a847
138779bc42a0045
1437560a1a3158b
15181c6d40986c1
hexb5e620f4f937

200000000031031 has 16 divisors (see below), whose sum is σ = 202778474298624. Its totient is φ = 197237374850304.

The previous prime is 200000000031019. The next prime is 200000000031113. The reversal of 200000000031031 is 130130000000002.

It is a cyclic number.

It is not a de Polignac number, because 200000000031031 - 213 = 200000000022839 is a prime.

It is a super-2 number, since 2×2000000000310312 (a number of 29 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 = 200000000030999 and 200000000031017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000000031011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28185120 + ... + 34560106.

It is an arithmetic number, because the mean of its divisors is an integer number (12673654643664).

Almost surely, 2200000000031031 is an apocalyptic number.

200000000031031 is a deficient number, since it is larger than the sum of its proper divisors (2778474267593).

200000000031031 is an equidigital number, since it uses as much as digits as its factorization.

200000000031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376230.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 200000000031031 its reverse (130130000000002), we get a palindrome (330130000031033).

The spelling of 200000000031031 in words is "two hundred trillion, thirty-one thousand, thirty-one".

Divisors: 1 97 503 643 48791 62371 323429 6374987 31372613 618373739 3206618461 4099116641 311041990717 397614314177 2061855670423 200000000031031