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31441111000 = 2353132418547
BaseRepresentation
bin11101010010000010…
…010100011111011000
310000011011222221000121
4131102002110133120
51003342411023000
622235512043024
72162066014435
oct352202243730
9100134887017
1031441111000
1112374762062
126115693474
132c70b08cc0
1417439bcb8c
15c403deb1a
hex7520947d8

31441111000 has 64 divisors (see below), whose sum is σ = 79231632480. Its totient is φ = 11609020800.

The previous prime is 31441110991. The next prime is 31441111007. The reversal of 31441111000 is 11114413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441111007) 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, 1196274 + ... + 1222273.

Almost surely, 231441111000 is an apocalyptic number.

It is an amenable number.

31441111000 is an abundant number, since it is smaller than the sum of its proper divisors (47790521480).

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

31441111000 is a wasteful number, since it uses less digits than its factorization.

31441111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418581 (or 2418567 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31441111000 its reverse (11114413), we get a palindrome (31452225413).

The spelling of 31441111000 in words is "thirty-one billion, four hundred forty-one million, one hundred eleven thousand".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 125 130 200 250 260 325 500 520 650 1000 1300 1625 2600 3250 6500 13000 2418547 4837094 9674188 12092735 19348376 24185470 31441111 48370940 60463675 62882222 96741880 120927350 125764444 157205555 241854700 251528888 302318375 314411110 483709400 604636750 628822220 786027775 1209273500 1257644440 1572055550 2418547000 3144111100 3930138875 6288222200 7860277750 15720555500 31441111000