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31044412330 = 2514592127787
BaseRepresentation
bin11100111010011001…
…000010001110101010
32222010112112112202021
4130322121002032222
51002034332143310
622132301255054
72146211102521
oct347231021652
988115475667
1031044412330
1112190841518
12602486448a
132c09882269
1417070374b8
15c1a67e5da
hex73a6423aa

31044412330 has 16 divisors (see below), whose sum is σ = 55918268640. Its totient is φ = 12409247952.

The previous prime is 31044412277. The next prime is 31044412331. The reversal of 31044412330 is 3321444013.

It is a junction number, because it is equal to n+sod(n) for n = 31044412295 and 31044412304.

It is not an unprimeable number, because it can be changed into a prime (31044412331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049304 + ... + 1078483.

It is an arithmetic number, because the mean of its divisors is an integer number (3494891790).

Almost surely, 231044412330 is an apocalyptic number.

31044412330 is a deficient number, since it is larger than the sum of its proper divisors (24873856310).

31044412330 is a wasteful number, since it uses less digits than its factorization.

31044412330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129253.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31044412330 its reverse (3321444013), we get a palindrome (34365856343).

The spelling of 31044412330 in words is "thirty-one billion, forty-four million, four hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 1459 2918 7295 14590 2127787 4255574 10638935 21277870 3104441233 6208882466 15522206165 31044412330