113154333031321 has 2 divisors, whose sum is σ = 113154333031322. Its totient is φ = 113154333031320.

The previous prime is 113154333031273. The next prime is 113154333031367. The reversal of 113154333031321 is 123130333451311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111707037414025 + 1447295617296 = 10569155^2 + 1203036^2 .

It is a cyclic number.

It is not a de Polignac number, because 113154333031321 - 2¹³ = 113154333023129 is a prime.

It is not a weakly prime, because it can be changed into another prime (113154333035321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56577166515660 + 56577166515661.

It is an arithmetic number, because the mean of its divisors is an integer number (56577166515661).

Almost surely, 2^{113154333031321} is an apocalyptic number.

It is an amenable number.

113154333031321 is a deficient number, since it is larger than the sum of its proper divisors (1).

113154333031321 is an equidigital number, since it uses as much as digits as its factorization.

113154333031321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 34.

Adding to 113154333031321 its reverse (123130333451311), we get a palindrome (236284666482632).

The spelling of 113154333031321 in words is "one hundred thirteen trillion, one hundred fifty-four billion, three hundred thirty-three million, thirty-one thousand, three hundred twenty-one".