1231345113350 has 24 divisors (see below), whose sum is σ = 2498511176568. Its totient is φ = 447761859200.

The previous prime is 1231345113289. The next prime is 1231345113377. The reversal of 1231345113350 is 533115431321.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1119404099 + ... + 1119405198.

It is an arithmetic number, because the mean of its divisors is an integer number (104104632357).

Almost surely, 2^{1231345113350} is an apocalyptic number.

1231345113350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231345113350 is an abundant number, since it is smaller than the sum of its proper divisors (1267166063218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231345113350 is a wasteful number, since it uses less digits than its factorization.

1231345113350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238809320 (or 2238809315 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 1231345113350 in words is "one trillion, two hundred thirty-one billion, three hundred forty-five million, one hundred thirteen thousand, three hundred fifty".