Base | Representation |
---|---|
bin | 11100111101110100… |
… | …110011010110111111 |
3 | 2222021112221110212121 |
4 | 130331310303112333 |
5 | 1002144104214403 |
6 | 22142120143411 |
7 | 2150510556124 |
oct | 347564632677 |
9 | 88245843777 |
10 | 31102023103 |
11 | 12210310328 |
12 | 6040007b67 |
13 | 2c187a3888 |
14 | 171095274b |
15 | c2075e3bd |
hex | 73dd335bf |
31102023103 has 8 divisors (see below), whose sum is σ = 32380191248. Its totient is φ = 29846885184.
The previous prime is 31102023059. The next prime is 31102023137. The reversal of 31102023103 is 30132020113.
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 31102023103 - 29 = 31102022591 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31102023163) 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, 5754801 + ... + 5760202.
It is an arithmetic number, because the mean of its divisors is an integer number (4047523906).
Almost surely, 231102023103 is an apocalyptic number.
31102023103 is a deficient number, since it is larger than the sum of its proper divisors (1278168145).
31102023103 is a wasteful number, since it uses less digits than its factorization.
31102023103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11515113.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 31102023103 its reverse (30132020113), we get a palindrome (61234043216).
The spelling of 31102023103 in words is "thirty-one billion, one hundred two million, twenty-three thousand, one hundred three".
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