Base | Representation |
---|---|
bin | 1110000110010010000111… |
… | …10110000111100111111001 |
3 | 11001202210010110202201222122 |
4 | 13003021003312013213321 |
5 | 13030420012310444001 |
6 | 145534115240531025 |
7 | 6346556501510534 |
oct | 703110366074771 |
9 | 131683113681878 |
10 | 31002212203001 |
11 | 9972a67620896 |
12 | 358852a180a75 |
13 | 143b65ab1c940 |
14 | 79272d529a1b |
15 | 38b68a86cb1b |
hex | 1c3243d879f9 |
31002212203001 has 8 divisors (see below), whose sum is σ = 35350938801864. Its totient is φ = 26934048610560.
The previous prime is 31002212202989. The next prime is 31002212203003. The reversal of 31002212203001 is 10030221220013.
It can be written as a sum of positive squares in 4 ways, for example, as 321126222400 + 30681085980601 = 566680^2 + 5539051^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-31002212203001 is a prime.
It is a super-2 number, since 2×310022122030012 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31002212203003) 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, 70140751370 + ... + 70140751811.
It is an arithmetic number, because the mean of its divisors is an integer number (4418867350233).
Almost surely, 231002212203001 is an apocalyptic number.
It is an amenable number.
31002212203001 is a deficient number, since it is larger than the sum of its proper divisors (4348726598863).
31002212203001 is a wasteful number, since it uses less digits than its factorization.
31002212203001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140281503211.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 31002212203001 its reverse (10030221220013), we get a palindrome (41032433423014).
The spelling of 31002212203001 in words is "thirty-one trillion, two billion, two hundred twelve million, two hundred three thousand, one".
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