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31103141032 = 233887892629
BaseRepresentation
bin11100111101111001…
…000100010010101000
32222021122001021101101
4130331321010102220
51002144401003112
622142200131144
72150523223315
oct347571042250
988248037341
1031103141032
1112210a04237
126040466ab4
132c18aa5682
141710b63d0c
15c208d0757
hex73de444a8

31103141032 has 8 divisors (see below), whose sum is σ = 58318389450. Its totient is φ = 15551570512.

The previous prime is 31103140973. The next prime is 31103141033. The reversal of 31103141032 is 23014130113.

It can be written as a sum of positive squares in only one way, i.e., 25506006436 + 5597134596 = 159706^2 + 74814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (31103141033) 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 as a sum of consecutive naturals, namely, 1943946307 + ... + 1943946322.

Almost surely, 231103141032 is an apocalyptic number.

It is an amenable number.

31103141032 is a deficient number, since it is larger than the sum of its proper divisors (27215248418).

31103141032 is a wasteful number, since it uses less digits than its factorization.

31103141032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887892635 (or 3887892631 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31103141032 its reverse (23014130113), we get a palindrome (54117271145).

The spelling of 31103141032 in words is "thirty-one billion, one hundred three million, one hundred forty-one thousand, thirty-two".

Divisors: 1 2 4 8 3887892629 7775785258 15551570516 31103141032