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313031332 = 22711935711
BaseRepresentation
bin10010101010000…
…111101010100100
3210211000122021001
4102222013222210
51120114000312
651021203044
710520502535
oct2252075244
9724018231
10313031332
11150775089
1288a00484
134cb11353
142d80668c
151c735057
hex12a87aa4

313031332 has 24 divisors (see below), whose sum is σ = 558496512. Its totient is φ = 153484800.

The previous prime is 313031293. The next prime is 313031333. The reversal of 313031332 is 233130313.

It is a super-2 number, since 2×3130313322 = 195977229627388448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313031333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51957 + ... + 57667.

It is an arithmetic number, because the mean of its divisors is an integer number (23270688).

Almost surely, 2313031332 is an apocalyptic number.

It is an amenable number.

313031332 is a deficient number, since it is larger than the sum of its proper divisors (245465180).

313031332 is a wasteful number, since it uses less digits than its factorization.

313031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979 (or 5977 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 313031332 is about 17692.6914854694. The cubic root of 313031332 is about 678.9887882307.

Adding to 313031332 its reverse (233130313), we get a palindrome (546161645).

The spelling of 313031332 in words is "three hundred thirteen million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 71 142 193 284 386 772 5711 11422 13703 22844 27406 54812 405481 810962 1102223 1621924 2204446 4408892 78257833 156515666 313031332