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53031361013 is a prime number
BaseRepresentation
bin110001011000111010…
…100101100111110101
312001212211212021011222
4301120322211213311
51332102012023023
640210130040125
73555111062651
oct613072454765
9161784767158
1053031361013
1120543903494
12a340119045
135001ab4877
1427d117ba61
1515a5a80cc8
hexc58ea59f5

53031361013 has 2 divisors, whose sum is σ = 53031361014. Its totient is φ = 53031361012.

The previous prime is 53031361003. The next prime is 53031361039. The reversal of 53031361013 is 31016313035.

It is a happy number.

It is an a-pointer prime, because the next prime (53031361039) can be obtained adding 53031361013 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51482702404 + 1548658609 = 226898^2 + 39353^2 .

It is a cyclic number.

It is not a de Polignac number, because 53031361013 - 220 = 53030312437 is a prime.

It is a super-2 number, since 2×530313610132 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53031361003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26515680506 + 26515680507.

It is an arithmetic number, because the mean of its divisors is an integer number (26515680507).

Almost surely, 253031361013 is an apocalyptic number.

It is an amenable number.

53031361013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53031361013 is an equidigital number, since it uses as much as digits as its factorization.

53031361013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

Adding to 53031361013 its reverse (31016313035), we get a palindrome (84047674048).

The spelling of 53031361013 in words is "fifty-three billion, thirty-one million, three hundred sixty-one thousand, thirteen".