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31203023000122 = 233147134475831
BaseRepresentation
bin1110001100001000001010…
…00110100001001000111010
311002110222110022201012001001
413012010011012201020322
513042212242342000442
6150210245413115214
76400225666230541
oct706040506411072
9132428408635031
1031203023000122
119a40145027956
1235bb431328b0a
13145458110230c
1479c33d187158
153919e009d2b7
hex1c61051a123a

31203023000122 has 8 divisors (see below), whose sum is σ = 46945937928672. Its totient is φ = 15554377023900.

The previous prime is 31203023000119. The next prime is 31203023000131. The reversal of 31203023000122 is 22100032030213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×312030230001222 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31203023000122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23567237254 + ... + 23567238577.

It is an arithmetic number, because the mean of its divisors is an integer number (5868242241084).

Almost surely, 231203023000122 is an apocalyptic number.

31203023000122 is a deficient number, since it is larger than the sum of its proper divisors (15742914928550).

31203023000122 is a wasteful number, since it uses less digits than its factorization.

31203023000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47134476164.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31203023000122 its reverse (22100032030213), we get a palindrome (53303055030335).

The spelling of 31203023000122 in words is "thirty-one trillion, two hundred three billion, twenty-three million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 331 662 47134475831 94268951662 15601511500061 31203023000122