113051321 has 2 divisors, whose sum is σ = 113051322. Its totient is φ = 113051320.

The previous prime is 113051293. The next prime is 113051329. The reversal of 113051321 is 123150311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108910096 + 4141225 = 10436^2 + 2035^2 .

It is an emirp because it is prime and its reverse (123150311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113051321 - 2¹⁰ = 113050297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113051321.

It is not a weakly prime, because it can be changed into another prime (113051329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56525660 + 56525661.

It is an arithmetic number, because the mean of its divisors is an integer number (56525661).

Almost surely, 2^113051321 is an apocalyptic number.

It is an amenable number.

113051321 is a deficient number, since it is larger than the sum of its proper divisors (1).

113051321 is an equidigital number, since it uses as much as digits as its factorization.

113051321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 113051321 is about 10632.5594754979. The cubic root of 113051321 is about 483.5319921639.

The spelling of 113051321 in words is "one hundred thirteen million, fifty-one thousand, three hundred twenty-one".