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131032313012 = 22161123203311
BaseRepresentation
bin111101000001000100…
…0100110110010110100
3110112012212102011212002
41322002020212302310
54121323233004022
6140110113114432
712316050166166
oct1720210466264
9415185364762
10131032313012
1150630363187
122148a558a18
13c482a16733
1464b0628936
15361d7c9092
hex1e82226cb4

131032313012 has 12 divisors (see below), whose sum is σ = 229309098816. Its totient is φ = 65515427640.

The previous prime is 131032312987. The next prime is 131032313059. The reversal of 131032313012 is 210313230131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542837 + ... + 746147.

It is an arithmetic number, because the mean of its divisors is an integer number (19109091568).

Almost surely, 2131032313012 is an apocalyptic number.

It is an amenable number.

131032313012 is a deficient number, since it is larger than the sum of its proper divisors (98276785804).

131032313012 is a wasteful number, since it uses less digits than its factorization.

131032313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364438 (or 364436 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131032313012 its reverse (210313230131), we get a palindrome (341345543143).

The spelling of 131032313012 in words is "one hundred thirty-one billion, thirty-two million, three hundred thirteen thousand, twelve".

Divisors: 1 2 4 161123 203311 322246 406622 644492 813244 32758078253 65516156506 131032313012