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211031023001 = 1132637100879
BaseRepresentation
bin1100010010001001101…
…1011101110110011001
3202011201010002201021212
43010202123131312121
511424142420214001
6240540223112505
721150355045631
oct3044233356631
9664633081255
10211031023001
1181552569037
1234a95a42735
1316b917b9316
14a2dd1496c1
155751ae07bb
hex31226ddd99

211031023001 has 8 divisors (see below), whose sum is σ = 213708084480. Its totient is φ = 208368164032.

The previous prime is 211031022997. The next prime is 211031023003. The reversal of 211031023001 is 100320130112.

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

It is a cyclic number.

It is not a de Polignac number, because 211031023001 - 22 = 211031022997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211031023003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3520721 + ... + 3580158.

It is an arithmetic number, because the mean of its divisors is an integer number (26713510560).

Almost surely, 2211031023001 is an apocalyptic number.

It is an amenable number.

211031023001 is a deficient number, since it is larger than the sum of its proper divisors (2677061479).

211031023001 is a wasteful number, since it uses less digits than its factorization.

211031023001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101255.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 211031023001 its reverse (100320130112), we get a palindrome (311351153113).

The spelling of 211031023001 in words is "two hundred eleven billion, thirty-one million, twenty-three thousand, one".

Divisors: 1 113 263 29719 7100879 802399327 1867531177 211031023001