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3131606404404 = 22321012329136979
BaseRepresentation
bin101101100100100010010…
…010011000110100110100
3102002101020000221022122100
4231210202102120310310
5402302012214420104
610354350133302100
7442152061144152
oct55444222306464
912071200838570
103131606404404
11aa811a1a1255
12426b14794930
1319940347058a
14ab7db8823d2
15566d861e139
hex2d922498d34

3131606404404 has 72 divisors (see below), whose sum is σ = 7994940801120. Its totient is φ = 1033461144000.

The previous prime is 3131606404397. The next prime is 3131606404427. The reversal of 3131606404404 is 4044046061313.

3131606404404 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 6 + 0 + 640 + 4 + 4 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84667587 + ... + 84704565.

It is an arithmetic number, because the mean of its divisors is an integer number (111040844460).

Almost surely, 23131606404404 is an apocalyptic number.

It is an amenable number.

3131606404404 is an abundant number, since it is smaller than the sum of its proper divisors (4863334396716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131606404404 is a wasteful number, since it uses less digits than its factorization.

3131606404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60381 (or 60376 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 3131606404404 in words is "three trillion, one hundred thirty-one billion, six hundred six million, four hundred four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 101 202 303 404 606 909 1212 1818 3636 23291 36979 46582 69873 73958 93164 110937 139746 147916 209619 221874 279492 332811 419238 443748 665622 838476 1331244 2352391 3734879 4704782 7057173 7469758 9409564 11204637 14114346 14939516 21171519 22409274 28228692 33613911 42343038 44818548 67227822 84686076 134455644 861277889 1722555778 2583833667 3445111556 5167667334 7751501001 10335334668 15503002002 31006004004 86989066789 173978133578 260967200367 347956267156 521934400734 782901601101 1043868801468 1565803202202 3131606404404