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2130203213031 = 3710067737677
BaseRepresentation
bin11110111111111010000…
…000010111110011100111
321112122102112011101110110
4132333322000113303213
5234400124010304111
64310333555424103
7306621264361155
oct36777200276347
97478375141413
102130203213031
117514611a7973
122a4a208b5033
13125b535797aa
1475160d363d5
153a628ad25a6
hex1effa017ce7

2130203213031 has 4 divisors (see below), whose sum is σ = 2840270950712. Its totient is φ = 1420135475352.

The previous prime is 2130203213027. The next prime is 2130203213051. The reversal of 2130203213031 is 1303123020312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2130203213031 - 22 = 2130203213027 is a prime.

It is a super-2 number, since 2×21302032130312 (a number of 25 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 = 2130203212989 and 2130203213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130203213051) 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, 355033868836 + ... + 355033868841.

It is an arithmetic number, because the mean of its divisors is an integer number (710067737678).

Almost surely, 22130203213031 is an apocalyptic number.

2130203213031 is a deficient number, since it is larger than the sum of its proper divisors (710067737681).

2130203213031 is an equidigital number, since it uses as much as digits as its factorization.

2130203213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710067737680.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2130203213031 its reverse (1303123020312), we get a palindrome (3433326233343).

The spelling of 2130203213031 in words is "two trillion, one hundred thirty billion, two hundred three million, two hundred thirteen thousand, thirty-one".

Divisors: 1 3 710067737677 2130203213031