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31303553542 = 249037319183
BaseRepresentation
bin11101001001110101…
…100101001000000110
32222210121011021122221
4131021311211020012
51003102202203132
622214115442554
72155505546332
oct351165451006
988717137587
1031303553542
1112304049108
1260975b645a
132c4b475661
14172d6127c2
15c332bbe97
hex749d65206

31303553542 has 8 divisors (see below), whose sum is σ = 46956434976. Its totient is φ = 15651408552.

The previous prime is 31303553459. The next prime is 31303553579. The reversal of 31303553542 is 24535530313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31303553498 and 31303553507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61518 + ... + 257665.

It is an arithmetic number, because the mean of its divisors is an integer number (5869554372).

Almost surely, 231303553542 is an apocalyptic number.

31303553542 is a deficient number, since it is larger than the sum of its proper divisors (15652881434).

31303553542 is a wasteful number, since it uses less digits than its factorization.

31303553542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368222.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 31303553542 in words is "thirty-one billion, three hundred three million, five hundred fifty-three thousand, five hundred forty-two".

Divisors: 1 2 49037 98074 319183 638366 15651776771 31303553542