1301031011 has 8 divisors (see below), whose sum is σ = 1487424000. Its totient is φ = 1114770888.

The previous prime is 1301031001. The next prime is 1301031019. The reversal of 1301031011 is 1101301031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1301031011 - 2²² = 1296836707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301030983 and 1301031001.

It is not an unprimeable number, because it can be changed into a prime (1301031019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11261 + ... + 52238.

It is an arithmetic number, because the mean of its divisors is an integer number (185928000).

Almost surely, 2^1301031011 is an apocalyptic number.

1301031011 is a deficient number, since it is larger than the sum of its proper divisors (186392989).

1301031011 is an equidigital number, since it uses as much as digits as its factorization.

1301031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66433.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1301031011 is about 36069.8074710692. The cubic root of 1301031011 is about 1091.6813294018.

Adding to 1301031011 its reverse (1101301031), we get a palindrome (2402332042).

The spelling of 1301031011 in words is "one billion, three hundred one million, thirty-one thousand, eleven".