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31303102010 = 2512172572153
BaseRepresentation
bin11101001001110011…
…110110111000111010
32222210120022100021112
4131021303312320322
51003102043231020
622214102040322
72155501656035
oct351163667072
988716270245
1031303102010
111230386a944
1260974190a2
132c4b347c8b
14172d53601c
15c3322d2c5
hex749cf6e3a

31303102010 has 16 divisors (see below), whose sum is σ = 56391904296. Its totient is φ = 12510947328.

The previous prime is 31303102007. The next prime is 31303102057. The reversal of 31303102010 is 1020130313.

It can be written as a sum of positive squares in 4 ways, for example, as 20477323801 + 10825778209 = 143099^2 + 104047^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273907 + ... + 1298246.

Almost surely, 231303102010 is an apocalyptic number.

31303102010 is a deficient number, since it is larger than the sum of its proper divisors (25088802286).

31303102010 is a wasteful number, since it uses less digits than its factorization.

31303102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573377.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31303102010 its reverse (1020130313), we get a palindrome (32323232323).

The spelling of 31303102010 in words is "thirty-one billion, three hundred three million, one hundred two thousand, ten".

Divisors: 1 2 5 10 1217 2434 6085 12170 2572153 5144306 12860765 25721530 3130310201 6260620402 15651551005 31303102010