1031313306136 has 8 divisors (see below), whose sum is σ = 1933712449020. Its totient is φ = 515656653064.

The previous prime is 1031313306131. The next prime is 1031313306139. The reversal of 1031313306136 is 6316033131301.

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

It is a junction number, because it is equal to n+sod(n) for n = 1031313306098 and 1031313306107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031313306131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64457081626 + ... + 64457081641.

Almost surely, 2^{1031313306136} is an apocalyptic number.

It is an amenable number.

1031313306136 is a deficient number, since it is larger than the sum of its proper divisors (902399142884).

1031313306136 is a wasteful number, since it uses less digits than its factorization.

1031313306136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128914163273 (or 128914163269 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

Adding to 1031313306136 its reverse (6316033131301), we get a palindrome (7347346437437).

The spelling of 1031313306136 in words is "one trillion, thirty-one billion, three hundred thirteen million, three hundred six thousand, one hundred thirty-six".