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113031423031 = 2319891247067
BaseRepresentation
bin110100101000100110…
…0101010010000110111
3101210202100120020000011
41221101030222100313
53322442021014111
6123531555401051
711111011146322
oct1512114522067
9353670506004
10113031423031
1143a333230aa
1219aa5bb3187
13a874564047
145683a497b9
152e182e7021
hex1a5132a437

113031423031 has 8 divisors (see below), whose sum is σ = 117952239744. Its totient is φ = 108111140280.

The previous prime is 113031423007. The next prime is 113031423041. The reversal of 113031423031 is 130324130311.

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

It is not a de Polignac number, because 113031423031 - 221 = 113029325879 is a prime.

It is a super-2 number, since 2×1130314230312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113031422993 and 113031423011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113031423041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333960 + ... + 581026.

It is an arithmetic number, because the mean of its divisors is an integer number (14744029968).

Almost surely, 2113031423031 is an apocalyptic number.

113031423031 is a deficient number, since it is larger than the sum of its proper divisors (4920816713).

113031423031 is a wasteful number, since it uses less digits than its factorization.

113031423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266981.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113031423031 its reverse (130324130311), we get a palindrome (243355553342).

The spelling of 113031423031 in words is "one hundred thirteen billion, thirty-one million, four hundred twenty-three thousand, thirty-one".

Divisors: 1 23 19891 247067 457493 5682541 4914409697 113031423031