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210023103331 = 434884258217
BaseRepresentation
bin1100001110011001011…
…0100011101101100011
3202002002212112002102201
43003212112203231203
511420111403301311
6240252215554031
721113365631416
oct3034626435543
9662085462381
10210023103331
1181085626078
123485438b917
1316a60a38452
14a245339b7d
1556e33979c1
hex30e65a3b63

210023103331 has 4 divisors (see below), whose sum is σ = 214907361592. Its totient is φ = 205138845072.

The previous prime is 210023103313. The next prime is 210023103337. The reversal of 210023103331 is 133301320012.

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 210023103331 - 211 = 210023101283 is a prime.

It is a super-2 number, since 2×2100231033312 (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 = 210023103299 and 210023103308.

It is not an unprimeable number, because it can be changed into a prime (210023103337) 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, 2442129066 + ... + 2442129151.

It is an arithmetic number, because the mean of its divisors is an integer number (53726840398).

Almost surely, 2210023103331 is an apocalyptic number.

210023103331 is a deficient number, since it is larger than the sum of its proper divisors (4884258261).

210023103331 is an equidigital number, since it uses as much as digits as its factorization.

210023103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884258260.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 210023103331 its reverse (133301320012), we get a palindrome (343324423343).

The spelling of 210023103331 in words is "two hundred ten billion, twenty-three million, one hundred three thousand, three hundred thirty-one".

Divisors: 1 43 4884258217 210023103331