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101210202031 is a prime number
BaseRepresentation
bin101111001000010011…
…0010001111110101111
3100200020111211222100011
41132100212101332233
53124234302431111
6114254553514051
710212040344211
oct1362046217657
9320214758304
10101210202031
1139a1757a874
1217747112927
13970c466713
144c81a885b1
1529755dd021
hex1790991faf

101210202031 has 2 divisors, whose sum is σ = 101210202032. Its totient is φ = 101210202030.

The previous prime is 101210202029. The next prime is 101210202053. The reversal of 101210202031 is 130202012101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101210202031 - 21 = 101210202029 is a prime.

It is a super-2 number, since 2×1012102020312 (a number of 23 digits) contains 22 as substring.

Together with 101210202029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101210202011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605101015 + 50605101016.

It is an arithmetic number, because the mean of its divisors is an integer number (50605101016).

Almost surely, 2101210202031 is an apocalyptic number.

101210202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210202031 is an equidigital number, since it uses as much as digits as its factorization.

101210202031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101210202031 its reverse (130202012101), we get a palindrome (231412214132).

The spelling of 101210202031 in words is "one hundred one billion, two hundred ten million, two hundred two thousand, thirty-one".