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200013213031 = 233858425807
BaseRepresentation
bin1011101001000110110…
…1110110110101100111
3201010021021010222100221
42322101231312311213
511234111340304111
6231515041145211
720310341154652
oct2722155666547
9633237128327
10200013213031
1177909276365
123292002b207
1315b26c97338
149975b60899
1553096d4371
hex2e91b76d67

200013213031 has 4 divisors (see below), whose sum is σ = 200871639072. Its totient is φ = 199154786992.

The previous prime is 200013213007. The next prime is 200013213041. The reversal of 200013213031 is 130312310002.

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 200013213031 - 29 = 200013212519 is a prime.

It is a super-2 number, since 2×2000132130312 (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 = 200013212996 and 200013213014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200013213041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429212671 + ... + 429213136.

It is an arithmetic number, because the mean of its divisors is an integer number (50217909768).

Almost surely, 2200013213031 is an apocalyptic number.

200013213031 is a deficient number, since it is larger than the sum of its proper divisors (858426041).

200013213031 is an equidigital number, since it uses as much as digits as its factorization.

200013213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858426040.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 200013213031 its reverse (130312310002), we get a palindrome (330325523033).

The spelling of 200013213031 in words is "two hundred billion, thirteen million, two hundred thirteen thousand, thirty-one".

Divisors: 1 233 858425807 200013213031