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2000200031 = 10921186969
BaseRepresentation
bin111011100111000…
…1010000101011111
312011101201200121122
41313032022011133
513044022400111
6530251121155
7100365263654
oct16716120537
95141650548
102000200031
11937073985
12479a431bb
1325b51741b
1414d90bc2b
15ba901cdb
hex7738a15f

2000200031 has 8 divisors (see below), whose sum is σ = 2028140400. Its totient is φ = 1972434240.

The previous prime is 2000200003. The next prime is 2000200063. The reversal of 2000200031 is 1300020002.

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 2000200031 - 26 = 2000199967 is a prime.

It is a super-2 number, since 2×20002000312 = 8001600328024801922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000199991 and 2000200018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000206031) 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, 20486 + ... + 66483.

It is an arithmetic number, because the mean of its divisors is an integer number (253517550).

Almost surely, 22000200031 is an apocalyptic number.

2000200031 is a deficient number, since it is larger than the sum of its proper divisors (27940369).

2000200031 is a wasteful number, since it uses less digits than its factorization.

2000200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87289.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2000200031 is about 44723.5959086476. The cubic root of 2000200031 is about 1259.9630523725.

Adding to 2000200031 its reverse (1300020002), we get a palindrome (3300220033).

The spelling of 2000200031 in words is "two billion, two hundred thousand, thirty-one".

Divisors: 1 109 211 22999 86969 9479621 18350459 2000200031