1231550134314 has 32 divisors (see below), whose sum is σ = 2581854416064. Its totient is φ = 391190056320.

The previous prime is 1231550134313. The next prime is 1231550134349. The reversal of 1231550134314 is 4134310551321.

It is not an unprimeable number, because it can be changed into a prime (1231550134313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58202229 + ... + 58223384.

It is an arithmetic number, because the mean of its divisors is an integer number (80682950502).

Almost surely, 2^{1231550134314} is an apocalyptic number.

1231550134314 is an abundant number, since it is smaller than the sum of its proper divisors (1350304281750).

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

1231550134314 is a wasteful number, since it uses less digits than its factorization.

1231550134314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116425702.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 1231550134314 its reverse (4134310551321), we get a palindrome (5365860685635).

The spelling of 1231550134314 in words is "one trillion, two hundred thirty-one billion, five hundred fifty million, one hundred thirty-four thousand, three hundred fourteen".