11303002981 has 2 divisors, whose sum is σ = 11303002982. Its totient is φ = 11303002980.

The previous prime is 11303002957. The next prime is 11303003003. The reversal of 11303002981 is 18920030311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11023110081 + 279892900 = 104991^2 + 16730^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303002981 - 2¹⁵ = 11302970213 is a prime.

It is a super-2 number, since 2×11303002981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11303002901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651501490 + 5651501491.

It is an arithmetic number, because the mean of its divisors is an integer number (5651501491).

Almost surely, 2^11303002981 is an apocalyptic number.

It is an amenable number.

11303002981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303002981 is an equidigital number, since it uses as much as digits as its factorization.

11303002981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 11303002981 in words is "eleven billion, three hundred three million, two thousand, nine hundred eighty-one".