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31504505342 = 249160153381
BaseRepresentation
bin11101010101110100…
…001001100111111110
310000022121021200201012
4131111310021213332
51004010123132332
622250054515222
72163465606542
oct352564114776
9100277250635
1031504505342
11123a7521182
126132965b12
132c80ca3c4b
14174c1a1a22
15c45c633b2
hex755d099fe

31504505342 has 16 divisors (see below), whose sum is σ = 47432682864. Its totient is φ = 15693720000.

The previous prime is 31504505339. The next prime is 31504505387. The reversal of 31504505342 is 24350540513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31504505299 and 31504505308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563492 + ... + 616872.

It is an arithmetic number, because the mean of its divisors is an integer number (2964542679).

Almost surely, 231504505342 is an apocalyptic number.

31504505342 is a deficient number, since it is larger than the sum of its proper divisors (15928177522).

31504505342 is a wasteful number, since it uses less digits than its factorization.

31504505342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54475.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 31504505342 in words is "thirty-one billion, five hundred four million, five hundred five thousand, three hundred forty-two".

Divisors: 1 2 491 601 982 1202 53381 106762 295091 590182 26210071 32081981 52420142 64163962 15752252671 31504505342