1031340616 has 8 divisors (see below), whose sum is σ = 1933763670. Its totient is φ = 515670304.

The previous prime is 1031340613. The next prime is 1031340619. The reversal of 1031340616 is 6160431301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1031340613) and next prime (1031340619).

It can be written as a sum of positive squares in only one way, i.e., 1029768100 + 1572516 = 32090^2 + 1254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1031340616² = 2127326932422518912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1031340613) 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, 64458781 + ... + 64458796.

Almost surely, 2^1031340616 is an apocalyptic number.

It is an amenable number.

1031340616 is a deficient number, since it is larger than the sum of its proper divisors (902423054).

1031340616 is a wasteful number, since it uses less digits than its factorization.

1031340616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128917583 (or 128917579 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1031340616 is about 32114.4923048769. The cubic root of 1031340616 is about 1010.3395962893.

Adding to 1031340616 its reverse (6160431301), we get a palindrome (7191771917).

The spelling of 1031340616 in words is "one billion, thirty-one million, three hundred forty thousand, six hundred sixteen".