Search a number
-
+
20203131031459 is a prime number
BaseRepresentation
bin1001001011111111010000…
…11100101100111110100011
32122112101210221100001212021
410211333220130230332203
510122002003021001314
6110545105033042311
74153425264216325
oct445775034547643
978471727301767
1020203131031459
11648a110855542
122323603856397
13b371bb1a453c
144dbba00d3615
152507e3133324
hex125fe872cfa3

20203131031459 has 2 divisors, whose sum is σ = 20203131031460. Its totient is φ = 20203131031458.

The previous prime is 20203131031339. The next prime is 20203131031481. The reversal of 20203131031459 is 95413013130202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20203131031459 - 29 = 20203131030947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20203131031159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101565515729 + 10101565515730.

It is an arithmetic number, because the mean of its divisors is an integer number (10101565515730).

Almost surely, 220203131031459 is an apocalyptic number.

20203131031459 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203131031459 is an equidigital number, since it uses as much as digits as its factorization.

20203131031459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 20203131031459 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, thirty-one thousand, four hundred fifty-nine".