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130331331231 = 3196353359911
BaseRepresentation
bin111100101100001011…
…0100100101010011111
3110110102000101121121220
41321120112210222133
54113404310044411
6135512352424423
712262506015423
oct1713026445237
9413360347556
10130331331231
11503007031a2
1221313848113
13c3a072250a
1464454b6b83
1535cbeb0b06
hex1e585a4a9f

130331331231 has 16 divisors (see below), whose sum is σ = 182950467840. Its totient is φ = 82301339520.

The previous prime is 130331331227. The next prime is 130331331241. The reversal of 130331331231 is 132133133031.

It is not a de Polignac number, because 130331331231 - 22 = 130331331227 is a prime.

It is a super-2 number, since 2×1303313312312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331331241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182166 + ... + 542076.

It is an arithmetic number, because the mean of its divisors is an integer number (11434404240).

Almost surely, 2130331331231 is an apocalyptic number.

130331331231 is a deficient number, since it is larger than the sum of its proper divisors (52619136609).

130331331231 is a wasteful number, since it uses less digits than its factorization.

130331331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366286.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 130331331231 its reverse (132133133031), we get a palindrome (262464464262).

The spelling of 130331331231 in words is "one hundred thirty billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 3 19 57 6353 19059 120707 359911 362121 1079733 6838309 20514927 2286514583 6859543749 43443777077 130331331231