1031011313 has 2 divisors, whose sum is σ = 1031011314. Its totient is φ = 1031011312.

The previous prime is 1031011259. The next prime is 1031011337. The reversal of 1031011313 is 3131101301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 987027889 + 43983424 = 31417^2 + 6632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031011313 - 2⁶ = 1031011249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515505656 + 515505657.

It is an arithmetic number, because the mean of its divisors is an integer number (515505657).

Almost surely, 2^1031011313 is an apocalyptic number.

It is an amenable number.

1031011313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031011313 is an equidigital number, since it uses as much as digits as its factorization.

1031011313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1031011313 is about 32109.3648800471. The cubic root of 1031011313 is about 1010.2320523567.

Adding to 1031011313 its reverse (3131101301), we get a palindrome (4162112614).

The spelling of 1031011313 in words is "one billion, thirty-one million, eleven thousand, three hundred thirteen".