1011481013 has 2 divisors, whose sum is σ = 1011481014. Its totient is φ = 1011481012.

The previous prime is 1011481007. The next prime is 1011481027. The reversal of 1011481013 is 3101841101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907093924 + 104387089 = 30118^2 + 10217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011481013 - 2²⁴ = 994703797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011481613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505740506 + 505740507.

It is an arithmetic number, because the mean of its divisors is an integer number (505740507).

Almost surely, 2^1011481013 is an apocalyptic number.

It is an amenable number.

1011481013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011481013 is an equidigital number, since it uses as much as digits as its factorization.

1011481013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 1011481013 is about 31803.7892868130. The cubic root of 1011481013 is about 1003.8124510791.

It can be divided in two parts, 101148101 and 3, that multiplied together give a palindrome (303444303).

The spelling of 1011481013 in words is "one billion, eleven million, four hundred eighty-one thousand, thirteen".