Base | Representation |
---|---|
bin | 11100111001000111… |
… | …101111010011001100 |
3 | 2222002001102211021122 |
4 | 130321013233103030 |
5 | 1002013403214012 |
6 | 22130220420112 |
7 | 2145532002662 |
oct | 347107572314 |
9 | 88061384248 |
10 | 31023101132 |
11 | 1217a806061 |
12 | 60196a7638 |
13 | 2c0533009a |
14 | 170428ac32 |
15 | c1886ee72 |
hex | 7391ef4cc |
31023101132 has 48 divisors (see below), whose sum is σ = 58943989440. Its totient is φ = 14242491648.
The previous prime is 31023101119. The next prime is 31023101173. The reversal of 31023101132 is 23110132013.
It is a self number, because there is not a number n which added to its sum of digits gives 31023101132.
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, 427958 + ... + 495170.
It is an arithmetic number, because the mean of its divisors is an integer number (1227999780).
Almost surely, 231023101132 is an apocalyptic number.
It is an amenable number.
31023101132 is a deficient number, since it is larger than the sum of its proper divisors (27920888308).
31023101132 is a wasteful number, since it uses less digits than its factorization.
31023101132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67442 (or 67440 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 31023101132 its reverse (23110132013), we get a palindrome (54133233145).
The spelling of 31023101132 in words is "thirty-one billion, twenty-three million, one hundred one thousand, one hundred thirty-two".
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