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31325114444 = 2213797625393
BaseRepresentation
bin11101001011000111…
…110101000001001100
32222212002201200122212
4131023013311001030
51003123212130234
622220205525552
72156160036161
oct351307650114
988762650585
1031325114444
1112315235138
1260a28738b8
132c52a843a0
141732426068
15c3512a5ce
hex74b1f504c

31325114444 has 24 divisors (see below), whose sum is σ = 59783088960. Its totient is φ = 14274733824.

The previous prime is 31325114423. The next prime is 31325114501. The reversal of 31325114444 is 44441152313.

It is a super-3 number, since 3×313251144443 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31325114444.

It is an unprimeable number.

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, 3808589 + ... + 3816804.

It is an arithmetic number, because the mean of its divisors is an integer number (2490962040).

Almost surely, 231325114444 is an apocalyptic number.

It is an amenable number.

31325114444 is a deficient number, since it is larger than the sum of its proper divisors (28457974516).

31325114444 is a wasteful number, since it uses less digits than its factorization.

31325114444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625489 (or 7625487 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

Adding to 31325114444 its reverse (44441152313), we get a palindrome (75766266757).

The spelling of 31325114444 in words is "thirty-one billion, three hundred twenty-five million, one hundred fourteen thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 79 158 316 1027 2054 4108 7625393 15250786 30501572 99130109 198260218 396520436 602406047 1204812094 2409624188 7831278611 15662557222 31325114444