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210031201231022 = 2417331925163569
BaseRepresentation
bin101111110000010110110011…
…001001000010000010101110
31000112122210020112111001221202
4233300112303021002002232
5210012122400003343042
62022411000221125502
762145152651034203
oct5760266311020256
91015583215431852
10210031201231022
1160a16806658006
121b6815543b9892
139026b1b615082
1439c17c892bcaa
1519435d82db632
hexbf05b32420ae

210031201231022 has 8 divisors (see below), whose sum is σ = 315046889857200. Its totient is φ = 105015571278624.

The previous prime is 210031201230973. The next prime is 210031201231037. The reversal of 210031201231022 is 220132102130012.

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

It is a super-2 number, since 2×2100312012310222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210031201230985 and 210031201231003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235147 + ... + 20928422.

It is an arithmetic number, because the mean of its divisors is an integer number (39380861232150).

Almost surely, 2210031201231022 is an apocalyptic number.

210031201231022 is a deficient number, since it is larger than the sum of its proper divisors (105015688626178).

210031201231022 is a wasteful number, since it uses less digits than its factorization.

210031201231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29336890.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210031201231022 its reverse (220132102130012), we get a palindrome (430163303361034).

The spelling of 210031201231022 in words is "two hundred ten trillion, thirty-one billion, two hundred one million, two hundred thirty-one thousand, twenty-two".

Divisors: 1 2 4173319 8346638 25163569 50327138 105015600615511 210031201231022