231545551543342 has 16 divisors (see below), whose sum is σ = 347400292032000. Its totient is φ = 115745456019960.

The previous prime is 231545551543331. The next prime is 231545551543343. The reversal of 231545551543342 is 243345155545132.

It is a super-2 number, since 2×231545551543342² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231545551543342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231545551543343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262862467 + ... + 263741857.

It is an arithmetic number, because the mean of its divisors is an integer number (21712518252000).

Almost surely, 2^{231545551543342} is an apocalyptic number.

231545551543342 is a deficient number, since it is larger than the sum of its proper divisors (115854740488658).

231545551543342 is a wasteful number, since it uses less digits than its factorization.

231545551543342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910311.

The product of its digits is 21600000, while the sum is 52.

The spelling of 231545551543342 in words is "two hundred thirty-one trillion, five hundred forty-five billion, five hundred fifty-one million, five hundred forty-three thousand, three hundred forty-two".