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2331312101012 = 223751115537523
BaseRepresentation
bin100001111011001101000…
…001111001011010010100
322020212112011000102022002
4201323031001321122110
5301144011344213022
64542553501054432
7330301041616556
oct41731501713224
98225464012262
102331312101012
118197819a4014
123179a7857418
1313bac353bcab
1480b9c3cb4d6
1540999596092
hex21ecd079694

2331312101012 has 12 divisors (see below), whose sum is σ = 4079905202016. Its totient is φ = 1165624900440.

The previous prime is 2331312100993. The next prime is 2331312101057. The reversal of 2331312101012 is 2101012131332.

It is a happy number.

It is a super-2 number, since 2×23313121010122 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7618718 + ... + 7918805.

It is an arithmetic number, because the mean of its divisors is an integer number (339992100168).

Almost surely, 22331312101012 is an apocalyptic number.

It is an amenable number.

2331312101012 is a deficient number, since it is larger than the sum of its proper divisors (1748593101004).

2331312101012 is a wasteful number, since it uses less digits than its factorization.

2331312101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15575038 (or 15575036 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2331312101012 its reverse (2101012131332), we get a palindrome (4432324232344).

The spelling of 2331312101012 in words is "two trillion, three hundred thirty-one billion, three hundred twelve million, one hundred one thousand, twelve".

Divisors: 1 2 4 37511 75022 150044 15537523 31075046 62150092 582828025253 1165656050506 2331312101012