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31103303102 = 270692199979
BaseRepresentation
bin11100111101111001…
…101011110110111110
32222021122100111200222
4130331321223312332
51002144421144402
622142203421342
72150524466654
oct347571536676
988248314628
1031103303102
1112211004a83
126040524852
132c18b31381
141710ba6dd4
15c209137a2
hex73de6bdbe

31103303102 has 8 divisors (see below), whose sum is σ = 46661575800. Its totient is φ = 15549444504.

The previous prime is 31103303093. The next prime is 31103303141. The reversal of 31103303102 is 20130330113.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085852 + ... + 1114127.

It is an arithmetic number, because the mean of its divisors is an integer number (5832696975).

Almost surely, 231103303102 is an apocalyptic number.

31103303102 is a deficient number, since it is larger than the sum of its proper divisors (15558272698).

31103303102 is a wasteful number, since it uses less digits than its factorization.

31103303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207050.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31103303102 its reverse (20130330113), we get a palindrome (51233633215).

The spelling of 31103303102 in words is "thirty-one billion, one hundred three million, three hundred three thousand, one hundred two".

Divisors: 1 2 7069 14138 2199979 4399958 15551651551 31103303102