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2210212323031 = 263231953799
BaseRepresentation
bin100000001010011010111…
…010111001111011010111
321211021221111102022000211
4200022122322321323113
5242203003323314111
64411205120350251
7315453056524426
oct40123272717327
97737844368024
102210212323031
11782389266479
122b842b775387
1313056455102b
1478d90da32bd
153c75cca0521
hex2029aeb9ed7

2210212323031 has 6 divisors (see below), whose sum is σ = 2218648195400. Its totient is φ = 2201808404988.

The previous prime is 2210212323023. The next prime is 2210212323043. The reversal of 2210212323031 is 1303232120122.

It is not a de Polignac number, because 2210212323031 - 23 = 2210212323023 is a prime.

It is a super-2 number, since 2×22102123230312 (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 = 2210212322993 and 2210212323011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210212323061) 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 5 ways as a sum of consecutive naturals, for example, 15907731 + ... + 16046068.

Almost surely, 22210212323031 is an apocalyptic number.

2210212323031 is a deficient number, since it is larger than the sum of its proper divisors (8435872369).

2210212323031 is an frugal number, since it uses more digits than its factorization.

2210212323031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31954325 (or 31954062 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2210212323031 its reverse (1303232120122), we get a palindrome (3513444443153).

The spelling of 2210212323031 in words is "two trillion, two hundred ten billion, two hundred twelve million, three hundred twenty-three thousand, thirty-one".

Divisors: 1 263 69169 31953799 8403849137 2210212323031