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331313125 = 5411213337
BaseRepresentation
bin10011101111110…
…110111111100101
3212002102110011111
4103233312333211
51134304010000
652513105021
711132054323
oct2357667745
9762373144
10331313125
11160021500
1292b58171
1353842690
1432004d13
151e146cba
hex13bf6fe5

331313125 has 60 divisors (see below), whose sum is σ = 491527036. Its totient is φ = 221760000.

The previous prime is 331313117. The next prime is 331313141. The reversal of 331313125 is 521313133.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 319908996 + 11404129 = 17886^2 + 3377^2 .

It is not a de Polignac number, because 331313125 - 23 = 331313117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331313096 and 331313105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 982957 + ... + 983293.

Almost surely, 2331313125 is an apocalyptic number.

It is an amenable number.

331313125 is a deficient number, since it is larger than the sum of its proper divisors (160213911).

331313125 is a wasteful number, since it uses less digits than its factorization.

331313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 366 counting only the distinct ones).

The product of its digits is 810, while the sum is 22.

The square root of 331313125 is about 18202.0088177102. The cubic root of 331313125 is about 691.9577007847.

Adding to 331313125 its reverse (521313133), we get a palindrome (852626258).

The spelling of 331313125 in words is "three hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-five".

Divisors: 1 5 11 13 25 55 65 121 125 143 275 325 337 605 625 715 1375 1573 1625 1685 3025 3575 3707 4381 6875 7865 8125 8425 15125 17875 18535 21905 39325 40777 42125 48191 75625 89375 92675 109525 196625 203885 210625 240955 463375 530101 547625 983125 1019425 1204775 2316875 2650505 2738125 5097125 6023875 13252525 25485625 30119375 66262625 331313125