Base | Representation |
---|---|
bin | 11100111001100111… |
… | …001010111111110100 |
3 | 2222002121221110022120 |
4 | 130321213022333310 |
5 | 1002023010403134 |
6 | 22131113155540 |
7 | 2145662022024 |
oct | 347147127764 |
9 | 88077843276 |
10 | 31031341044 |
11 | 12184423900 |
12 | 60203bbbb0 |
13 | 2c06c56782 |
14 | 17053d3a84 |
15 | c1944b649 |
hex | 7399caff4 |
31031341044 has 72 divisors (see below), whose sum is σ = 83776146720. Its totient is φ = 8908511040.
The previous prime is 31031341007. The next prime is 31031341067. The reversal of 31031341044 is 44014313013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534819 + ... + 589994.
Almost surely, 231031341044 is an apocalyptic number.
It is an amenable number.
31031341044 is an abundant number, since it is smaller than the sum of its proper divisors (52744805676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31031341044 is a wasteful number, since it uses less digits than its factorization.
31031341044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1124861 (or 1124848 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 31031341044 its reverse (44014313013), we get a palindrome (75045654057).
The spelling of 31031341044 in words is "thirty-one billion, thirty-one million, three hundred forty-one thousand, forty-four".
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