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130031210100 = 2235211219188533
BaseRepresentation
bin111100100011001110…
…1101100111001110100
3110102122002122212211110
41321012131230321310
54112300442210400
6135422512035020
712252203022621
oct1710635547164
9412562585743
10130031210100
1150167256800
122124b232a70
13c3534b154c
1464176b1348
1535b097ae50
hex1e4676ce74

130031210100 has 216 divisors, whose sum is σ = 435302381920. Its totient is φ = 29863468800.

The previous prime is 130031210059. The next prime is 130031210129. The reversal of 130031210100 is 1012130031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 595434 + ... + 783966.

Almost surely, 2130031210100 is an apocalyptic number.

130031210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130031210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217651190960).

130031210100 is an abundant number, since it is smaller than the sum of its proper divisors (305271171820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130031210100 is a wasteful number, since it uses less digits than its factorization.

130031210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188591 (or 188573 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 130031210100 its reverse (1012130031), we get a palindrome (131043340131).

The spelling of 130031210100 in words is "one hundred thirty billion, thirty-one million, two hundred ten thousand, one hundred".