Base | Representation |
---|---|
bin | 11101001100001001… |
… | …110110100110100000 |
3 | 2222220022022000202110 |
4 | 131030021312212200 |
5 | 1003142130004212 |
6 | 22222024515320 |
7 | 2156460123606 |
oct | 351411664640 |
9 | 88808260673 |
10 | 31342422432 |
11 | 12323a86962 |
12 | 60a861bb40 |
13 | 2c565343b9 |
14 | 173484d876 |
15 | c368e8a3c |
hex | 74c2769a0 |
31342422432 has 96 divisors (see below), whose sum is σ = 82766880000. Its totient is φ = 10385077248.
The previous prime is 31342422421. The next prime is 31342422443. The reversal of 31342422432 is 23422424313.
It is an interprime number because it is at equal distance from previous prime (31342422421) and next prime (31342422443).
It is a tau number, because it is divible by the number of its divisors (96).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 31342422432.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12294694 + ... + 12297242.
It is an arithmetic number, because the mean of its divisors is an integer number (862155000).
Almost surely, 231342422432 is an apocalyptic number.
31342422432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
31342422432 is an abundant number, since it is smaller than the sum of its proper divisors (51424457568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31342422432 is a wasteful number, since it uses less digits than its factorization.
31342422432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3278 (or 3270 counting only the distinct ones).
The product of its digits is 27648, while the sum is 30.
Adding to 31342422432 its reverse (23422424313), we get a palindrome (54764846745).
The spelling of 31342422432 in words is "thirty-one billion, three hundred forty-two million, four hundred twenty-two thousand, four hundred thirty-two".
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