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31702055311 = 175343980149
BaseRepresentation
bin11101100001100101…
…101111100110001111
310000211101000021022201
4131201211233212033
51004411211232221
622321433022331
72201415011143
oct354145574617
9100741007281
1031702055311
1112498a90413
126188b549a7
132cb2bb1014
14176a507223
15c58286891
hex76196f98f

31702055311 has 16 divisors (see below), whose sum is σ = 34278552000. Its totient is φ = 29207213568.

The previous prime is 31702055303. The next prime is 31702055317. The reversal of 31702055311 is 11355020713.

It is a cyclic number.

It is not a de Polignac number, because 31702055311 - 23 = 31702055303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31702055311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31702055317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355465 + ... + 435613.

It is an arithmetic number, because the mean of its divisors is an integer number (2142409500).

Almost surely, 231702055311 is an apocalyptic number.

31702055311 is a deficient number, since it is larger than the sum of its proper divisors (2576496689).

31702055311 is a wasteful number, since it uses less digits than its factorization.

31702055311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80658.

The product of its (nonzero) digits is 3150, while the sum is 28.

The spelling of 31702055311 in words is "thirty-one billion, seven hundred two million, fifty-five thousand, three hundred eleven".

Divisors: 1 17 53 439 901 7463 23267 80149 395539 1362533 4247897 35185411 72214249 598151987 1864826783 31702055311