Search a number
-
+
131004511325 = 5217308245909
BaseRepresentation
bin111101000000001111…
…0100011010001011101
3110112010221002201002222
41322000132203101131
54121244123330300
6140103241155125
712315261654542
oct1720036432135
9415127081088
10131004511325
11506166a4386
122148118baa5
13c47a03122c
1464aaa6cbc9
15361b136785
hex1e807a345d

131004511325 has 12 divisors (see below), whose sum is σ = 172001217780. Its totient is φ = 98638690560.

The previous prime is 131004511307. The next prime is 131004511423. The reversal of 131004511325 is 523115400131.

It can be written as a sum of positive squares in 6 ways, for example, as 234763684 + 130769747641 = 15322^2 + 361621^2 .

It is not a de Polignac number, because 131004511325 - 28 = 131004511069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131004511294 and 131004511303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154122530 + ... + 154123379.

It is an arithmetic number, because the mean of its divisors is an integer number (14333434815).

Almost surely, 2131004511325 is an apocalyptic number.

It is an amenable number.

131004511325 is a deficient number, since it is larger than the sum of its proper divisors (40996706455).

131004511325 is a wasteful number, since it uses less digits than its factorization.

131004511325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308245936 (or 308245931 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 131004511325 its reverse (523115400131), we get a palindrome (654119911456).

The spelling of 131004511325 in words is "one hundred thirty-one billion, four million, five hundred eleven thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 425 308245909 1541229545 5240180453 7706147725 26200902265 131004511325