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1113425031 = 3883420319
BaseRepresentation
bin100001001011101…
…1000010010000111
32212121002212000010
41002113120102013
54240014100111
6302252321303
736406646055
oct10227302207
92777085003
101113425031
11521554784
12270a73233
131498a14a4
14a7c351d5
1567b38aa6
hex425d8487

1113425031 has 8 divisors (see below), whose sum is σ = 1486251520. Its totient is φ = 741440952.

The previous prime is 1113425029. The next prime is 1113425051. The reversal of 1113425031 is 1305243111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1113425031 - 21 = 1113425029 is a prime.

It is a super-2 number, since 2×11134250312 = 2479430599314701922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113424989 and 1113425007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113425051) 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, 207511 + ... + 212808.

It is an arithmetic number, because the mean of its divisors is an integer number (185781440).

Almost surely, 21113425031 is an apocalyptic number.

1113425031 is a deficient number, since it is larger than the sum of its proper divisors (372826489).

1113425031 is an equidigital number, since it uses as much as digits as its factorization.

1113425031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421205.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1113425031 is about 33368.0240799482. The cubic root of 1113425031 is about 1036.4626588327.

Adding to 1113425031 its reverse (1305243111), we get a palindrome (2418668142).

The spelling of 1113425031 in words is "one billion, one hundred thirteen million, four hundred twenty-five thousand, thirty-one".

Divisors: 1 3 883 2649 420319 1260957 371141677 1113425031