Base | Representation |
---|---|
bin | 11100111101001000… |
… | …000011111001001011 |
3 | 2222020201212121001020 |
4 | 130331020003321023 |
5 | 1002133103404342 |
6 | 22141020523523 |
7 | 2150306066400 |
oct | 347510037113 |
9 | 88221777036 |
10 | 31090294347 |
11 | 1220472a342 |
12 | 60380b05a3 |
13 | 2c16228198 |
14 | 170d17c2a7 |
15 | c1e6e40ec |
hex | 73d203e4b |
31090294347 has 12 divisors (see below), whose sum is σ = 48221681256. Its totient is φ = 17765882400.
The previous prime is 31090294337. The next prime is 31090294357. The reversal of 31090294347 is 74349209013.
It is an interprime number because it is at equal distance from previous prime (31090294337) and next prime (31090294357).
It is not a de Polignac number, because 31090294347 - 26 = 31090294283 is a prime.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 31090294299 and 31090294308.
It is not an unprimeable number, because it can be changed into a prime (31090294327) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105749154 + ... + 105749447.
It is an arithmetic number, because the mean of its divisors is an integer number (4018473438).
Almost surely, 231090294347 is an apocalyptic number.
31090294347 is a deficient number, since it is larger than the sum of its proper divisors (17131386909).
31090294347 is a wasteful number, since it uses less digits than its factorization.
31090294347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211498618 (or 211498611 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 42.
The spelling of 31090294347 in words is "thirty-one billion, ninety million, two hundred ninety-four thousand, three hundred forty-seven".
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