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131020230302344 = 2316377528787793
BaseRepresentation
bin11101110010100110000110…
…010010010001101010001000
3122011220102010010022112221001
4131302212012102101222020
5114133113412424133334
61142353510214024344
736411620306200015
oct3562460622215210
9564812103275831
10131020230302344
1138824405351759
12128407220480b4
135815201b62416
14244d5ad31a70c
15102320bdbd714
hex772986491a88

131020230302344 has 8 divisors (see below), whose sum is σ = 245662931816910. Its totient is φ = 65510115151168.

The previous prime is 131020230302317. The next prime is 131020230302413. The reversal of 131020230302344 is 443203032020131.

It is a happy number.

131020230302344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 118866904812100 + 12153325490244 = 10902610^2 + 3486162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8188764393889 + ... + 8188764393904.

Almost surely, 2131020230302344 is an apocalyptic number.

It is an amenable number.

131020230302344 is a deficient number, since it is larger than the sum of its proper divisors (114642701514566).

131020230302344 is a wasteful number, since it uses less digits than its factorization.

131020230302344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377528787799 (or 16377528787795 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131020230302344 its reverse (443203032020131), we get a palindrome (574223262322475).

The spelling of 131020230302344 in words is "one hundred thirty-one trillion, twenty billion, two hundred thirty million, three hundred two thousand, three hundred forty-four".

Divisors: 1 2 4 8 16377528787793 32755057575586 65510115151172 131020230302344