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31150332704 = 2517359315937
BaseRepresentation
bin11101000000101101…
…000101101100100000
32222101220211212012002
4131000231011230200
51002243441121304
622151003423132
72151635313341
oct350055055440
988356755162
1031150332704
1112235607017
126054224aa8
132c257b973a
14171712a0c8
15c24b0331e
hex740b45b20

31150332704 has 48 divisors (see below), whose sum is σ = 64956849048. Its totient is φ = 14653980672.

The previous prime is 31150332691. The next prime is 31150332709. The reversal of 31150332704 is 40723305113.

It can be written as a sum of positive squares in 4 ways, for example, as 29464409104 + 1685923600 = 171652^2 + 41060^2 .

It is not an unprimeable number, because it can be changed into a prime (31150332709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946624 + ... + 1962560.

Almost surely, 231150332704 is an apocalyptic number.

31150332704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31150332704 is an abundant number, since it is smaller than the sum of its proper divisors (33806516344).

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

31150332704 is a wasteful number, since it uses less digits than its factorization.

31150332704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19557 (or 19549 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 31150332704 its reverse (40723305113), we get a palindrome (71873637817).

The spelling of 31150332704 in words is "thirty-one billion, one hundred fifty million, three hundred thirty-two thousand, seven hundred four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 3593 7186 14372 15937 28744 31874 57488 61081 63748 114976 122162 127496 244324 254992 270929 488648 509984 541858 977296 1083716 1954592 2167432 4334864 8669728 57261641 114523282 229046564 458093128 916186256 973447897 1832372512 1946895794 3893791588 7787583176 15575166352 31150332704