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100231221003031 = 200398295091113
BaseRepresentation
bin10110110010100011100110…
…010100101100001100010111
3111010220000022010102111102201
4112302203212110230030113
5101114142020034044111
6553101330503145331
730053316044220556
oct2662434624541427
9433800263374381
10100231221003031
1129a33905263018
12b2a9595145247
1343c09c07964c1
141aa7307577d9d
15b8c39db566c1
hex5b28e652c317

100231221003031 has 8 divisors (see below), whose sum is σ = 100291483842480. Its totient is φ = 100170968369472.

The previous prime is 100231221003013. The next prime is 100231221003167. The reversal of 100231221003031 is 130300122132001.

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 100231221003031 - 27 = 100231221002903 is a prime.

It is a super-2 number, since 2×1002312210030312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100231821003031) 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 7 ways as a sum of consecutive naturals, for example, 17141931 + ... + 22233043.

It is an arithmetic number, because the mean of its divisors is an integer number (12536435480310).

Almost surely, 2100231221003031 is an apocalyptic number.

100231221003031 is a deficient number, since it is larger than the sum of its proper divisors (60262839449).

100231221003031 is an equidigital number, since it uses as much as digits as its factorization.

100231221003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102945.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 100231221003031 its reverse (130300122132001), we get a palindrome (230531343135032).

The spelling of 100231221003031 in words is "one hundred trillion, two hundred thirty-one billion, two hundred twenty-one million, three thousand, thirty-one".

Divisors: 1 2003 9829 5091113 19687487 10197499339 50040549677 100231221003031