1031836540099 has 4 divisors (see below), whose sum is σ = 1086143726440. Its totient is φ = 977529353760.

The previous prime is 1031836540093. The next prime is 1031836540171. The reversal of 1031836540099 is 9900456381301.

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 1031836540099 - 2²⁵ = 1031802985667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031836540093) 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 3 ways as a sum of consecutive naturals, for example, 27153593142 + ... + 27153593179.

It is an arithmetic number, because the mean of its divisors is an integer number (271535931610).

Almost surely, 2^{1031836540099} is an apocalyptic number.

1031836540099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1031836540099 is a deficient number, since it is larger than the sum of its proper divisors (54307186341).

1031836540099 is an equidigital number, since it uses as much as digits as its factorization.

1031836540099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54307186340.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 1031836540099 in words is "one trillion, thirty-one billion, eight hundred thirty-six million, five hundred forty thousand, ninety-nine".