31030729035 has 16 divisors (see below), whose sum is σ = 52262280960. Its totient is φ = 15678684000.

The previous prime is 31030728943. The next prime is 31030729039. The reversal of 31030729035 is 53092703013.

It is not a de Polignac number, because 31030729035 - 2⁷ = 31030728907 is a prime.

It is a super-2 number, since 2×31030729035² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31030728987 and 31030729005.

It is not an unprimeable number, because it can be changed into a prime (31030729039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54439591 + ... + 54440160.

It is an arithmetic number, because the mean of its divisors is an integer number (3266392560).

Almost surely, 2^31030729035 is an apocalyptic number.

31030729035 is a deficient number, since it is larger than the sum of its proper divisors (21231551925).

31030729035 is a wasteful number, since it uses less digits than its factorization.

31030729035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108879778.

The product of its (nonzero) digits is 17010, while the sum is 33.

The spelling of 31030729035 in words is "thirty-one billion, thirty million, seven hundred twenty-nine thousand, thirty-five".