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100331213130 = 23252630942373
BaseRepresentation
bin101110101110000110…
…1001101000101001010
3100120222020212201020200
41131130031031011022
53120434242310010
6114031434033030
710151205145311
oct1353415150512
9316866781220
10100331213130
1139606399465
1217540878776
1395cc318745
144bdb03b278
152923361cc0
hex175c34d14a

100331213130 has 48 divisors (see below), whose sum is σ = 260877225960. Its totient is φ = 26753341824.

The previous prime is 100331213117. The next prime is 100331213153. The reversal of 100331213130 is 31312133001.

It is a happy number.

100331213130 is a `hidden beast` number, since 1 + 0 + 0 + 331 + 21 + 313 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30744466281 + 69586746849 = 175341^2 + 263793^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2346624 + ... + 2388996.

Almost surely, 2100331213130 is an apocalyptic number.

100331213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100331213130 is an abundant number, since it is smaller than the sum of its proper divisors (160546012830).

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

100331213130 is a wasteful number, since it uses less digits than its factorization.

100331213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68695 (or 68692 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 100331213130 its reverse (31312133001), we get a palindrome (131643346131).

The spelling of 100331213130 in words is "one hundred billion, three hundred thirty-one million, two hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 26309 42373 52618 78927 84746 127119 131545 157854 211865 236781 254238 263090 381357 394635 423730 473562 635595 762714 789270 1183905 1271190 1906785 2367810 3813570 1114791257 2229582514 3344373771 5573956285 6688747542 10033121313 11147912570 16721868855 20066242626 33443737710 50165606565 100331213130