Search a number
-
+
130220031131 = 1943159388043
BaseRepresentation
bin111100101000110110…
…1111111110010011011
3110110010020221222120222
41321101231333302123
54113142311444011
6135453335110255
712256655000351
oct1712155776233
9413106858528
10130220031131
11502538a3843
12212a251238b
13c383653478
1464347c37d1
1535c2327ddb
hex1e51b7fc9b

130220031131 has 8 divisors (see below), whose sum is σ = 140261478720. Its totient is φ = 120497359752.

The previous prime is 130220031119. The next prime is 130220031157. The reversal of 130220031131 is 131130022031.

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 130220031131 - 222 = 130215836827 is a prime.

It is a super-2 number, since 2×1302200311312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130220031101) 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, 79693205 + ... + 79694838.

It is an arithmetic number, because the mean of its divisors is an integer number (17532684840).

Almost surely, 2130220031131 is an apocalyptic number.

130220031131 is a deficient number, since it is larger than the sum of its proper divisors (10041447589).

130220031131 is a wasteful number, since it uses less digits than its factorization.

130220031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159388105.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130220031131 its reverse (131130022031), we get a palindrome (261350053162).

It can be divided in two parts, 1302200 and 31131, that added together give a palindrome (1333331).

The spelling of 130220031131 in words is "one hundred thirty billion, two hundred twenty million, thirty-one thousand, one hundred thirty-one".

Divisors: 1 19 43 817 159388043 3028372817 6853685849 130220031131