1231857331314 has 8 divisors (see below), whose sum is σ = 2463714662640. Its totient is φ = 410619110436.

The previous prime is 1231857331231. The next prime is 1231857331381. The reversal of 1231857331314 is 4131337581321.

It is a sphenic number, since it is the product of 3 distinct primes.

1231857331314 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102654777604 + ... + 102654777615.

It is an arithmetic number, because the mean of its divisors is an integer number (307964332830).

Almost surely, 2^{1231857331314} is an apocalyptic number.

1231857331314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1231857331314 is a wasteful number, since it uses less digits than its factorization.

1231857331314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205309555224.

The product of its digits is 181440, while the sum is 42.

The spelling of 1231857331314 in words is "one trillion, two hundred thirty-one billion, eight hundred fifty-seven million, three hundred thirty-one thousand, three hundred fourteen".