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31028042303 = 176727241477
BaseRepresentation
bin11100111001011010…
…100101101000111111
32222002101201212021222
4130321122211220333
51002021134323203
622130514343555
72145622002506
oct347132455077
988071655258
1031028042303
1112182580475
12601b28abbb
132c0637015b
141704bb583d
15c18ee9038
hex7396a5a3f

31028042303 has 8 divisors (see below), whose sum is σ = 33343569072. Its totient is φ = 28766998656.

The previous prime is 31028042299. The next prime is 31028042317. The reversal of 31028042303 is 30324082013.

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

It is a cyclic number.

It is not a de Polignac number, because 31028042303 - 22 = 31028042299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31028042323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13619600 + ... + 13621877.

It is an arithmetic number, because the mean of its divisors is an integer number (4167946134).

Almost surely, 231028042303 is an apocalyptic number.

31028042303 is a deficient number, since it is larger than the sum of its proper divisors (2315526769).

31028042303 is a wasteful number, since it uses less digits than its factorization.

31028042303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27241561.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 31028042303 in words is "thirty-one billion, twenty-eight million, forty-two thousand, three hundred three".

Divisors: 1 17 67 1139 27241477 463105109 1825178959 31028042303