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310020111113 = 1911623141943
BaseRepresentation
bin1001000001011101010…
…00110111101100001001
31002122012211112102010112
410200232220313230021
520034410122023423
6354230554524105
731253405315306
oct4405650675411
91078184472115
10310020111113
1110a52a2a8069
1250101136635
1323308a3ac3b
141100dc1c0ad
1580e71e0a78
hex482ea37b09

310020111113 has 4 divisors (see below), whose sum is σ = 311643253248. Its totient is φ = 308396968980.

The previous prime is 310020111041. The next prime is 310020111131. The reversal of 310020111113 is 311111020013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 310020111113 - 28 = 310020110857 is a prime.

It is a super-2 number, since 2×3100201111132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (310020111413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811570781 + ... + 811571162.

It is an arithmetic number, because the mean of its divisors is an integer number (77910813312).

Almost surely, 2310020111113 is an apocalyptic number.

It is an amenable number.

310020111113 is a deficient number, since it is larger than the sum of its proper divisors (1623142135).

310020111113 is a wasteful number, since it uses less digits than its factorization.

310020111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623142134.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 310020111113 its reverse (311111020013), we get a palindrome (621131131126).

The spelling of 310020111113 in words is "three hundred ten billion, twenty million, one hundred eleven thousand, one hundred thirteen".

Divisors: 1 191 1623141943 310020111113