313220234044129 has 2 divisors, whose sum is σ = 313220234044130. Its totient is φ = 313220234044128.

The previous prime is 313220234044121. The next prime is 313220234044219. The reversal of 313220234044129 is 921440432022313.

Together with next prime (313220234044219) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206962318854225 + 106257915189904 = 14386185^2 + 10308148^2 .

It is a cyclic number.

It is not a de Polignac number, because 313220234044129 - 2³ = 313220234044121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313220234044091 and 313220234044100.

It is not a weakly prime, because it can be changed into another prime (313220234044121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610117022064 + 156610117022065.

It is an arithmetic number, because the mean of its divisors is an integer number (156610117022065).

Almost surely, 2^{313220234044129} is an apocalyptic number.

It is an amenable number.

313220234044129 is a deficient number, since it is larger than the sum of its proper divisors (1).

313220234044129 is an equidigital number, since it uses as much as digits as its factorization.

313220234044129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 313220234044129 in words is "three hundred thirteen trillion, two hundred twenty billion, two hundred thirty-four million, forty-four thousand, one hundred twenty-nine".