1061431337 has 2 divisors, whose sum is σ = 1061431338. Its totient is φ = 1061431336.

The previous prime is 1061431309. The next prime is 1061431339. The reversal of 1061431337 is 7331341601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023744016 + 37687321 = 31996^2 + 6139^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061431337 - 2¹⁴ = 1061414953 is a prime.

It is a super-2 number, since 2×1061431337² = 2253272966331215138, which contains 22 as substring.

Together with 1061431339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1061431339) 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 as a sum of consecutive naturals, namely, 530715668 + 530715669.

It is an arithmetic number, because the mean of its divisors is an integer number (530715669).

Almost surely, 2^1061431337 is an apocalyptic number.

It is an amenable number.

1061431337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061431337 is an equidigital number, since it uses as much as digits as its factorization.

1061431337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1061431337 is about 32579.6153599149. The cubic root of 1061431337 is about 1020.0715498316.

Adding to 1061431337 its reverse (7331341601), we get a palindrome (8392772938).

The spelling of 1061431337 in words is "one billion, sixty-one million, four hundred thirty-one thousand, three hundred thirty-seven".