135803102831 has 4 divisors (see below), whose sum is σ = 148148839464. Its totient is φ = 123457366200.

The previous prime is 135803102807. The next prime is 135803102833. The reversal of 135803102831 is 138201308531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135803102831 - 2¹⁰ = 135803101807 is a prime.

It is a super-2 number, since 2×135803102831² (a number of 23 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 = 135803102791 and 135803102800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135803102833) 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, 6172868300 + ... + 6172868321.

It is an arithmetic number, because the mean of its divisors is an integer number (37037209866).

Almost surely, 2^135803102831 is an apocalyptic number.

135803102831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135803102831 is a deficient number, since it is larger than the sum of its proper divisors (12345736633).

135803102831 is a wasteful number, since it uses less digits than its factorization.

135803102831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345736632.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 135803102831 in words is "one hundred thirty-five billion, eight hundred three million, one hundred two thousand, eight hundred thirty-one".