1021040131 has 2 divisors, whose sum is σ = 1021040132. Its totient is φ = 1021040130.

The previous prime is 1021040101. The next prime is 1021040191. The reversal of 1021040131 is 1310401201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021040131 - 2¹⁷ = 1020909059 is a prime.

It is a super-2 number, since 2×1021040131² = 2085045898224994322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021040101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510520065 + 510520066.

It is an arithmetic number, because the mean of its divisors is an integer number (510520066).

Almost surely, 2^1021040131 is an apocalyptic number.

1021040131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021040131 is an equidigital number, since it uses as much as digits as its factorization.

1021040131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1021040131 is about 31953.7185785943. The cubic root of 1021040131 is about 1006.9647565511.

Adding to 1021040131 its reverse (1310401201), we get a palindrome (2331441332).

The spelling of 1021040131 in words is "one billion, twenty-one million, forty thousand, one hundred thirty-one".