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113442313031 = 1072143494731
BaseRepresentation
bin110100110100110110…
…0000101001101000111
3101211210222201121010022
41221221230011031013
53324312213004111
6124040434245355
711124130515335
oct1515154051507
9354728647108
10113442313031
1144124256913
1219b9b72685b
13a90b719318
1456c2446b55
152e3e40c2db
hex1a69b05347

113442313031 has 8 divisors (see below), whose sum is σ = 114556184064. Its totient is φ = 112329435960.

The previous prime is 113442313027. The next prime is 113442313073. The reversal of 113442313031 is 130313244311.

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

It is a cyclic number.

It is not a de Polignac number, because 113442313031 - 22 = 113442313027 is a prime.

It is a super-2 number, since 2×1134423130312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113442313001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18065 + ... + 476666.

It is an arithmetic number, because the mean of its divisors is an integer number (14319523008).

Almost surely, 2113442313031 is an apocalyptic number.

113442313031 is a deficient number, since it is larger than the sum of its proper divisors (1113871033).

113442313031 is a wasteful number, since it uses less digits than its factorization.

113442313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496981.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113442313031 its reverse (130313244311), we get a palindrome (243755557342).

The spelling of 113442313031 in words is "one hundred thirteen billion, four hundred forty-two million, three hundred thirteen thousand, thirty-one".

Divisors: 1 107 2143 229301 494731 52936217 1060208533 113442313031