231552344011450 has 192 divisors, whose sum is σ = 548033503968000. Its totient is φ = 72157109606400.

The previous prime is 231552344011381. The next prime is 231552344011459. The reversal of 231552344011450 is 54110443255132.

It is a super-2 number, since 2×231552344011450² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231552344011459) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 922184322 + ... + 922435378.

It is an arithmetic number, because the mean of its divisors is an integer number (2854341166500).

Almost surely, 2^{231552344011450} is an apocalyptic number.

231552344011450 is an abundant number, since it is smaller than the sum of its proper divisors (316481159956550).

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

231552344011450 is a wasteful number, since it uses less digits than its factorization.

231552344011450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255990 (or 255971 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 231552344011450 its reverse (54110443255132), we get a palindrome (285662787266582).

The spelling of 231552344011450 in words is "two hundred thirty-one trillion, five hundred fifty-two billion, three hundred forty-four million, eleven thousand, four hundred fifty".