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2031210222030 = 23251161211159407
BaseRepresentation
bin11101100011101101100…
…100000101000111001110
321012011220112101101212100
4131203231210011013032
5231234404304101110
64153043004215530
7266515166005023
oct35435544050716
97164815341770
102031210222030
11713482242610
122897b423a5a6
1311970858c582
147044d92954a
1537c82eb0bc0
hex1d8ed9051ce

2031210222030 has 192 divisors, whose sum is σ = 5883486575616. Its totient is φ = 482043744000.

The previous prime is 2031210222023. The next prime is 2031210222037. The reversal of 2031210222030 is 302220121302.

2031210222030 is a `hidden beast` number, since 2 + 0 + 312 + 102 + 220 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (2031210222023) and next prime (2031210222037).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2031210221994 and 2031210222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031210222037) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12662587 + ... + 12821993.

It is an arithmetic number, because the mean of its divisors is an integer number (30643159248).

Almost surely, 22031210222030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031210222030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2941743287808).

2031210222030 is an abundant number, since it is smaller than the sum of its proper divisors (3852276353586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031210222030 is a wasteful number, since it uses less digits than its factorization.

2031210222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159703 (or 159700 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2031210222030 its reverse (302220121302), we get a palindrome (2333430343332).

The spelling of 2031210222030 in words is "two trillion, thirty-one billion, two hundred ten million, two hundred twenty-two thousand, thirty".