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131040531124 = 2241953780877
BaseRepresentation
bin111101000001010011…
…1111101001010110100
3110112020102212200222121
41322002213331022310
54121332333443444
6140111005205324
712316210064536
oct1720247751264
9415212780877
10131040531124
1150634a66608
1221491260844
13c484633219
1464b1767856
15361e39e084
hex1e829fd2b4

131040531124 has 12 divisors (see below), whose sum is σ = 229326689284. Its totient is φ = 65518619904.

The previous prime is 131040531107. The next prime is 131040531143. The reversal of 131040531124 is 421135040131.

It can be written as a sum of positive squares in 2 ways, for example, as 61063352100 + 69977179024 = 247110^2 + 264532^2 .

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, 222627 + ... + 558250.

Almost surely, 2131040531124 is an apocalyptic number.

It is an amenable number.

131040531124 is a deficient number, since it is larger than the sum of its proper divisors (98286158160).

131040531124 is a wasteful number, since it uses less digits than its factorization.

131040531124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822834 (or 822832 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 131040531124 its reverse (421135040131), we get a palindrome (552175571255).

The spelling of 131040531124 in words is "one hundred thirty-one billion, forty million, five hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 41953 83906 167812 780877 1561754 3123508 32760132781 65520265562 131040531124