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31441103300 = 2252769408857
BaseRepresentation
bin11101010010000010…
…010010100111000100
310000011011222112110102
4131102002102213010
51003342410301200
622235511543232
72162065653125
oct352202224704
9100134875412
1031441103300
11123747572a2
12611568ab18
132c70b05649
1417439ba04c
15c403dc6d5
hex7520929c4

31441103300 has 36 divisors (see below), whose sum is σ = 68316083220. Its totient is φ = 12560056320.

The previous prime is 31441103299. The next prime is 31441103327. The reversal of 31441103300 is 330114413.

It can be written as a sum of positive squares in 6 ways, for example, as 4155349444 + 27285753856 = 64462^2 + 165184^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127529 + ... + 281328.

Almost surely, 231441103300 is an apocalyptic number.

It is an amenable number.

31441103300 is an abundant number, since it is smaller than the sum of its proper divisors (36874979920).

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

31441103300 is a wasteful number, since it uses less digits than its factorization.

31441103300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409640 (or 409633 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31441103300 its reverse (330114413), we get a palindrome (31771217713).

The spelling of 31441103300 in words is "thirty-one billion, four hundred forty-one million, one hundred three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 769 1538 3076 3845 7690 15380 19225 38450 76900 408857 817714 1635428 2044285 4088570 8177140 10221425 20442850 40885700 314411033 628822066 1257644132 1572055165 3144110330 6288220660 7860275825 15720551650 31441103300