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10311012102 = 232397176949
BaseRepresentation
bin10011001101001010…
…11000111100000110
3222121120222200112010
421212211120330012
5132104104341402
64423052435050
7513342104526
oct114645307406
928546880463
1010311012102
114411330006
121bb9178a86
13c842726c1
146db5a1686
15405344a6c
hex266958f06

10311012102 has 32 divisors (see below), whose sum is σ = 21541075200. Its totient is φ = 3284140640.

The previous prime is 10311012071. The next prime is 10311012119. The reversal of 10311012102 is 20121011301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95524 + ... + 172472.

It is an arithmetic number, because the mean of its divisors is an integer number (673158600).

Almost surely, 210311012102 is an apocalyptic number.

10311012102 is an abundant number, since it is smaller than the sum of its proper divisors (11230063098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10311012102 is a wasteful number, since it uses less digits than its factorization.

10311012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77948.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 10311012102 its reverse (20121011301), we get a palindrome (30432023403).

It can be divided in two parts, 1031101 and 2102, that added together give a triangular number (1033203 = T1437).

The spelling of 10311012102 in words is "ten billion, three hundred eleven million, twelve thousand, one hundred two".

Divisors: 1 2 3 6 23 46 69 138 971 1942 2913 5826 22333 44666 66999 76949 133998 153898 230847 461694 1769827 3539654 5309481 10618962 74717479 149434958 224152437 448304874 1718502017 3437004034 5155506051 10311012102