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31333202132 = 227833300533
BaseRepresentation
bin11101001011100110…
…101011100011010100
32222212122221120212212
4131023212223203110
51003132244432012
622221055132552
72156315552351
oct351346534324
988778846785
1031333202132
1112319859581
1260a5514158
132c546566bb
14173352d628
15c35bc6b22
hex74b9ab8d4

31333202132 has 6 divisors (see below), whose sum is σ = 54833103738. Its totient is φ = 15666601064.

The previous prime is 31333202113. The next prime is 31333202149. The reversal of 31333202132 is 23120233313.

It can be written as a sum of positive squares in only one way, i.e., 21105116176 + 10228085956 = 145276^2 + 101134^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31333202098 and 31333202107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3916650263 + ... + 3916650270.

It is an arithmetic number, because the mean of its divisors is an integer number (9138850623).

Almost surely, 231333202132 is an apocalyptic number.

It is an amenable number.

31333202132 is a deficient number, since it is larger than the sum of its proper divisors (23499901606).

31333202132 is a wasteful number, since it uses less digits than its factorization.

31333202132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833300537 (or 7833300535 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31333202132 its reverse (23120233313), we get a palindrome (54453435445).

The spelling of 31333202132 in words is "thirty-one billion, three hundred thirty-three million, two hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 7833300533 15666601066 31333202132