1031213608 has 16 divisors (see below), whose sum is σ = 2047262580. Its totient is φ = 485276928.

The previous prime is 1031213587. The next prime is 1031213609. The reversal of 1031213608 is 8063121301.

1031213608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 873911844 + 157301764 = 29562^2 + 12542^2 .

It is not an unprimeable number, because it can be changed into a prime (1031213609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3791091 + ... + 3791362.

Almost surely, 2^1031213608 is an apocalyptic number.

It is an amenable number.

1031213608 is a deficient number, since it is larger than the sum of its proper divisors (1016048972).

1031213608 is a wasteful number, since it uses less digits than its factorization.

1031213608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582476 (or 7582472 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1031213608 is about 32112.5148189923. The cubic root of 1031213608 is about 1010.2981206677.

Adding to 1031213608 its reverse (8063121301), we get a palindrome (9094334909).

The spelling of 1031213608 in words is "one billion, thirty-one million, two hundred thirteen thousand, six hundred eight".