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10101203211031 = 71142270467761
BaseRepresentation
bin1001001011111101111010…
…1000010001001100010111
31022202122222012221001022121
42102333132220101030113
52310444231010223111
633252232333040411
72061534142423552
oct222773650211427
938678865831277
1010101203211031
1132449949693a9
121171820626107
13583702014b4a
1426cc87cb7699
15127b4eaee871
hex92fdea11317

10101203211031 has 4 divisors (see below), whose sum is σ = 10243473678864. Its totient is φ = 9958932743200.

The previous prime is 10101203211017. The next prime is 10101203211059. The reversal of 10101203211031 is 13011230210101.

It is a happy number.

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 10101203211031 - 25 = 10101203210999 is a prime.

It is a super-2 number, since 2×101012032110312 (a number of 27 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 = 10101203210996 and 10101203211014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101203211131) 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 3 ways as a sum of consecutive naturals, for example, 71135233810 + ... + 71135233951.

It is an arithmetic number, because the mean of its divisors is an integer number (2560868419716).

Almost surely, 210101203211031 is an apocalyptic number.

10101203211031 is a deficient number, since it is larger than the sum of its proper divisors (142270467833).

10101203211031 is an equidigital number, since it uses as much as digits as its factorization.

10101203211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142270467832.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10101203211031 its reverse (13011230210101), we get a palindrome (23112433421132).

The spelling of 10101203211031 in words is "ten trillion, one hundred one billion, two hundred three million, two hundred eleven thousand, thirty-one".

Divisors: 1 71 142270467761 10101203211031