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31102311032103 = 383124908879647
BaseRepresentation
bin1110001001001100100100…
…01100110110010100100111
311002010100111112101010021110
413010212102030312110213
513034040013111011403
6150052112054120103
76360032155513533
oct704462214662447
9132110445333243
1031102311032103
119a01463818733
1235a3a05050033
131447c20c52c2c
14797507754bc3
1538e0985ca103
hex1c4992336527

31102311032103 has 8 divisors (see below), whose sum is σ = 41969383561728. Its totient is φ = 20485056261944.

The previous prime is 31102311032081. The next prime is 31102311032119. The reversal of 31102311032103 is 30123011320113.

It is a happy number.

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 31102311032103 - 210 = 31102311031079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31102311032103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102311036103) 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, 62454439575 + ... + 62454440072.

It is an arithmetic number, because the mean of its divisors is an integer number (5246172945216).

Almost surely, 231102311032103 is an apocalyptic number.

31102311032103 is a deficient number, since it is larger than the sum of its proper divisors (10867072529625).

31102311032103 is a wasteful number, since it uses less digits than its factorization.

31102311032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124908879733.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31102311032103 its reverse (30123011320113), we get a palindrome (61225322352216).

The spelling of 31102311032103 in words is "thirty-one trillion, one hundred two billion, three hundred eleven million, thirty-two thousand, one hundred three".

Divisors: 1 3 83 249 124908879647 374726638941 10367437010701 31102311032103