Search a number
-
+
31014225125 = 53133313643
BaseRepresentation
bin11100111000100101…
…111000010011100101
32222001102201212200122
4130320211320103211
51002004120201000
622125302251325
72145363364262
oct347045702345
988042655618
1031014225125
11121757a3414
126016726b45
132c03543000
14170301a269
15c17bba085
hex7389784e5

31014225125 has 64 divisors (see below), whose sum is σ = 43294218240. Its totient is φ = 22157928000.

The previous prime is 31014225101. The next prime is 31014225149. The reversal of 31014225125 is 52152241013.

It is an interprime number because it is at equal distance from previous prime (31014225101) and next prime (31014225149).

It is not a de Polignac number, because 31014225125 - 218 = 31013962981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31014225094 and 31014225103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8511554 + ... + 8515196.

It is an arithmetic number, because the mean of its divisors is an integer number (676472160).

Almost surely, 231014225125 is an apocalyptic number.

It is an amenable number.

31014225125 is a deficient number, since it is larger than the sum of its proper divisors (12279993115).

31014225125 is an equidigital number, since it uses as much as digits as its factorization.

31014225125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3692 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 31014225125 its reverse (52152241013), we get a palindrome (83166466138).

The spelling of 31014225125 in words is "thirty-one billion, fourteen million, two hundred twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 13 25 31 65 125 155 169 325 403 775 845 1625 2015 2197 3643 3875 4225 5239 10075 10985 18215 21125 26195 47359 50375 54925 68107 91075 112933 130975 236795 274625 340535 455375 564665 615667 654875 1183975 1468129 1702675 2823325 3078335 5919875 7340645 8003671 8513375 14116625 15391675 19085677 36703225 40018355 76958375 95428385 183516125 200091775 248113801 477141925 1000458875 1240569005 2385709625 6202845025 31014225125