26307000031 has 16 divisors (see below), whose sum is σ = 29828736000. Its totient is φ = 22999884768.

The previous prime is 26307000029. The next prime is 26307000043. The reversal of 26307000031 is 13000070362.

It is a cyclic number.

It is not a de Polignac number, because 26307000031 - 2¹ = 26307000029 is a prime.

It is a super-2 number, since 2×26307000031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26306999966 and 26307000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26307000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1323690 + ... + 1343416.

It is an arithmetic number, because the mean of its divisors is an integer number (1864296000).

Almost surely, 2^26307000031 is an apocalyptic number.

26307000031 is the 102581-st heptagonal number.

26307000031 is a deficient number, since it is larger than the sum of its proper divisors (3521735969).

26307000031 is a wasteful number, since it uses less digits than its factorization.

26307000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25158.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 26307000031 its reverse (13000070362), we get a palindrome (39307070393).

The spelling of 26307000031 in words is "twenty-six billion, three hundred seven million, thirty-one", and thus it is an aban number.