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131031311132 = 2232757827783
BaseRepresentation
bin111101000001000010…
…0110010001100011100
3110112012210112021112102
41322002010302030130
54121323003424012
6140110035424232
712316035524231
oct1720204621434
9415183467472
10131031311132
115062a839487
122148a155078
13c4827556c7
1464b0447788
15361d67c2c2
hex1e8213231c

131031311132 has 6 divisors (see below), whose sum is σ = 229304794488. Its totient is φ = 65515655564.

The previous prime is 131031311113. The next prime is 131031311153. The reversal of 131031311132 is 231113130131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16378913888 + ... + 16378913895.

It is an arithmetic number, because the mean of its divisors is an integer number (38217465748).

Almost surely, 2131031311132 is an apocalyptic number.

It is an amenable number.

131031311132 is a deficient number, since it is larger than the sum of its proper divisors (98273483356).

131031311132 is a wasteful number, since it uses less digits than its factorization.

131031311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32757827787 (or 32757827785 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 131031311132 its reverse (231113130131), we get a palindrome (362144441263).

The spelling of 131031311132 in words is "one hundred thirty-one billion, thirty-one million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 32757827783 65515655566 131031311132