1231050550335 has 48 divisors (see below), whose sum is σ = 2121493324896. Its totient is φ = 607465117696.

The previous prime is 1231050550307. The next prime is 1231050550349. The reversal of 1231050550335 is 5330550501321.

It is a happy number.

It is not a de Polignac number, because 1231050550335 - 2¹⁹ = 1231050026047 is a prime.

It is a super-2 number, since 2×1231050550335² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231050550296 and 1231050550305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194227 + ... + 1581083.

It is an arithmetic number, because the mean of its divisors is an integer number (44197777602).

Almost surely, 2^{1231050550335} is an apocalyptic number.

1231050550335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1231050550335 is a deficient number, since it is larger than the sum of its proper divisors (890442774561).

1231050550335 is a wasteful number, since it uses less digits than its factorization.

1231050550335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387000 (or 1386941 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 1231050550335 in words is "one trillion, two hundred thirty-one billion, fifty million, five hundred fifty thousand, three hundred thirty-five".