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31503042305044 = 223747296359617
BaseRepresentation
bin1110010100110110111111…
…01001010101110000010100
311010112122212011222000011021
413022123133221111300110
513112121212312230134
6151000144200050524
76431006520235612
oct712333751256024
9133478764860137
1031503042305044
11a04640210a232
123649601163a44
131476954c2cb4b
147aca80ab26b2
153996ee2c20b4
hex1ca6dfa55c14

31503042305044 has 36 divisors (see below), whose sum is σ = 57850652981716. Its totient is φ = 14999723265024.

The previous prime is 31503042305041. The next prime is 31503042305057. The reversal of 31503042305044 is 44050324030513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25218093584644 + 6284948720400 = 5021762^2 + 2506980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31503042305041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47852877 + ... + 48506740.

Almost surely, 231503042305044 is an apocalyptic number.

It is an amenable number.

31503042305044 is a deficient number, since it is larger than the sum of its proper divisors (26347610676672).

31503042305044 is a wasteful number, since it uses less digits than its factorization.

31503042305044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96359752 (or 96359703 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 31503042305044 its reverse (44050324030513), we get a palindrome (75553366335557).

The spelling of 31503042305044 in words is "thirty-one trillion, five hundred three billion, forty-two million, three hundred five thousand, forty-four".

Divisors: 1 2 4 37 47 74 94 148 188 1739 2209 3478 4418 6956 8836 81733 163466 326932 96359617 192719234 385438468 3565305829 4528901999 7130611658 9057803998 14261223316 18115607996 167569373963 212858393953 335138747926 425716787906 670277495852 851433575812 7875760576261 15751521152522 31503042305044