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31323801010 = 2517184257653
BaseRepresentation
bin11101001011000010…
…110100010110110010
32222212000020221222011
4131023002310112302
51003122343113020
622220121433134
72156142626005
oct351302642662
988760227864
1031323801010
1112314518357
1260a233b7aa
132c527145c8
1417321a353c
15c34e6b35a
hex74b0b45b2

31323801010 has 16 divisors (see below), whose sum is σ = 59699479896. Its totient is φ = 11792489728.

The previous prime is 31323801007. The next prime is 31323801037. The reversal of 31323801010 is 1010832313.

It can be written as a sum of positive squares in 4 ways, for example, as 21835677361 + 9488123649 = 147769^2 + 97407^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92128657 + ... + 92128996.

Almost surely, 231323801010 is an apocalyptic number.

31323801010 is a deficient number, since it is larger than the sum of its proper divisors (28375678886).

31323801010 is a wasteful number, since it uses less digits than its factorization.

31323801010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184257677.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 31323801010 in words is "thirty-one billion, three hundred twenty-three million, eight hundred one thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 184257653 368515306 921288265 1842576530 3132380101 6264760202 15661900505 31323801010