Base | Representation |
---|---|
bin | 11100111000010101… |
… | …111000011011101110 |
3 | 2222001010211210220100 |
4 | 130320111320123232 |
5 | 1002002032000332 |
6 | 22125032331530 |
7 | 2145312626433 |
oct | 347025703356 |
9 | 88033753810 |
10 | 31010031342 |
11 | 12173399584 |
12 | 6015243ba6 |
13 | 2c02705194 |
14 | 1702647b8a |
15 | c1763c67c |
hex | 7385786ee |
31010031342 has 48 divisors (see below), whose sum is σ = 67444650000. Its totient is φ = 10297314432.
The previous prime is 31010031341. The next prime is 31010031373. The reversal of 31010031342 is 24313001013.
31010031342 is a `hidden beast` number, since 310 + 1 + 0 + 0 + 313 + 42 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31010031341) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10169034 + ... + 10172082.
It is an arithmetic number, because the mean of its divisors is an integer number (1405096875).
Almost surely, 231010031342 is an apocalyptic number.
31010031342 is an abundant number, since it is smaller than the sum of its proper divisors (36434618658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31010031342 is a wasteful number, since it uses less digits than its factorization.
31010031342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5025 (or 5022 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 31010031342 its reverse (24313001013), we get a palindrome (55323032355).
The spelling of 31010031342 in words is "thirty-one billion, ten million, thirty-one thousand, three hundred forty-two".
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