Search a number
-
+
31130301022 = 264324207077
BaseRepresentation
bin11100111111100000…
…101011001001011110
32222100112011010212221
4130333200223021132
51002223324113042
622145010215554
72151303123052
oct347740531136
988315133787
1031130301022
1112225274a07
1260495845ba
132c215c4a82
1417145d3c62
15c22e97d67
hex73f82b25e

31130301022 has 8 divisors (see below), whose sum is σ = 46768074696. Its totient is φ = 15540942792.

The previous prime is 31130301017. The next prime is 31130301047. The reversal of 31130301022 is 22010303113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31130300987 and 31130301005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12102253 + ... + 12104824.

It is an arithmetic number, because the mean of its divisors is an integer number (5846009337).

Almost surely, 231130301022 is an apocalyptic number.

31130301022 is a deficient number, since it is larger than the sum of its proper divisors (15637773674).

31130301022 is a wasteful number, since it uses less digits than its factorization.

31130301022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24207722.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31130301022 its reverse (22010303113), we get a palindrome (53140604135).

The spelling of 31130301022 in words is "thirty-one billion, one hundred thirty million, three hundred one thousand, twenty-two".

Divisors: 1 2 643 1286 24207077 48414154 15565150511 31130301022