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2315232152031 = 314910135113021
BaseRepresentation
bin100001101100001110100…
…101110000100111011111
322012100000111202101010010
4201230032211300213133
5300413043412331111
64531334124014303
7326161416405051
oct41541645604737
98170014671103
102315232152031
11812980212387
1231485a691393
1313a430042996
14800b49a78d1
1540357a5baa6
hex21b0e9709df

2315232152031 has 16 divisors (see below), whose sum is σ = 3110762584800. Its totient is φ = 1531615367040.

The previous prime is 2315232151993. The next prime is 2315232152053. The reversal of 2315232152031 is 1302512325132.

It is not a de Polignac number, because 2315232152031 - 211 = 2315232149983 is a prime.

It is a super-2 number, since 2×23152321520312 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2315232152031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315232152071) 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, 2103700 + ... + 3009321.

It is an arithmetic number, because the mean of its divisors is an integer number (194422661550).

Almost surely, 22315232152031 is an apocalyptic number.

2315232152031 is a deficient number, since it is larger than the sum of its proper divisors (795530432769).

2315232152031 is a wasteful number, since it uses less digits than its factorization.

2315232152031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114186.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 2315232152031 its reverse (1302512325132), we get a palindrome (3617744477163).

The spelling of 2315232152031 in words is "two trillion, three hundred fifteen billion, two hundred thirty-two million, one hundred fifty-two thousand, thirty-one".

Divisors: 1 3 149 447 1013 3039 150937 452811 5113021 15339063 761840129 2285520387 5179490273 15538470819 771744050677 2315232152031