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144204234131 = 277520592903
BaseRepresentation
bin1000011001001100111…
…1011111110110010011
3111210012211201002202102
42012103033133312103
54330312240443011
6150125125111015
713263341523446
oct2062317376623
9453184632672
10144204234131
115617a592501
1223b4585846b
13107a18c0cb9
146d9db4765d
153b3ed8a73b
hex21933dfd93

144204234131 has 4 divisors (see below), whose sum is σ = 144724827312. Its totient is φ = 143683640952.

The previous prime is 144204234103. The next prime is 144204234137. The reversal of 144204234131 is 131432402441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131432402441 = 373552227093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144204234131 is a prime.

It is a super-2 number, since 2×1442042341312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144204234094 and 144204234103.

It is not an unprimeable number, because it can be changed into a prime (144204234137) 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, 260296175 + ... + 260296728.

It is an arithmetic number, because the mean of its divisors is an integer number (36181206828).

Almost surely, 2144204234131 is an apocalyptic number.

144204234131 is a deficient number, since it is larger than the sum of its proper divisors (520593181).

144204234131 is an equidigital number, since it uses as much as digits as its factorization.

144204234131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520593180.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 144204234131 its reverse (131432402441), we get a palindrome (275636636572).

The spelling of 144204234131 in words is "one hundred forty-four billion, two hundred four million, two hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 277 520592903 144204234131