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30313021132 = 227578255283
BaseRepresentation
bin11100001110110010…
…111111111011001100
32220020120022000122101
4130032302333323030
5444040113134012
621531533124444
72122120266622
oct341662777314
986216260571
1030313021132
1111945a01489
125a5b929724
132b211a18c4
141677c4b512
15bc635ad57
hex70ecbfecc

30313021132 has 6 divisors (see below), whose sum is σ = 53047786988. Its totient is φ = 15156510564.

The previous prime is 30313021129. The next prime is 30313021133. The reversal of 30313021132 is 23112031303.

It is a super-2 number, since 2×303130211322 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30313021133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3789127638 + ... + 3789127645.

Almost surely, 230313021132 is an apocalyptic number.

It is an amenable number.

30313021132 is a deficient number, since it is larger than the sum of its proper divisors (22734765856).

30313021132 is a wasteful number, since it uses less digits than its factorization.

30313021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578255287 (or 7578255285 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30313021132 its reverse (23112031303), we get a palindrome (53425052435).

The spelling of 30313021132 in words is "thirty billion, three hundred thirteen million, twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 7578255283 15156510566 30313021132