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113113440031 = 1941433376823
BaseRepresentation
bin110100101011000010…
…1100001111100011111
3101210222001220010011211
41221112011201330133
53323124020040111
6123544045325251
711113025243044
oct1512605417437
9353861803154
10113113440031
1143a75651749
1219b09566827
13a88854c507
1456908b91cb
152e205e8521
hex1a56161f1f

113113440031 has 16 divisors (see below), whose sum is σ = 124807415040. Its totient is φ = 102115097280.

The previous prime is 113113440017. The next prime is 113113440043. The reversal of 113113440031 is 130044311311.

It is a cyclic number.

It is not a de Polignac number, because 113113440031 - 233 = 104523505439 is a prime.

It is a super-2 number, since 2×1131134400312 (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 = 113113439984 and 113113440011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113113440091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1654915 + ... + 1721908.

It is an arithmetic number, because the mean of its divisors is an integer number (7800463440).

Almost surely, 2113113440031 is an apocalyptic number.

113113440031 is a deficient number, since it is larger than the sum of its proper divisors (11693975009).

113113440031 is a wasteful number, since it uses less digits than its factorization.

113113440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376926.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 113113440031 its reverse (130044311311), we get a palindrome (243157751342).

The spelling of 113113440031 in words is "one hundred thirteen billion, one hundred thirteen million, four hundred forty thousand, thirty-one".

Divisors: 1 19 41 43 779 817 1763 33497 3376823 64159637 138449743 145203389 2630545117 2758864391 5953338949 113113440031