231545505454430 has 16 divisors (see below), whose sum is σ = 420677067855600. Its totient is φ = 91752611506752.

The previous prime is 231545505454421. The next prime is 231545505454453. The reversal of 231545505454430 is 34454505545132.

It is a super-2 number, since 2×231545505454430² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108198833255 + ... + 108198835394.

It is an arithmetic number, because the mean of its divisors is an integer number (26292316740975).

Almost surely, 2^{231545505454430} is an apocalyptic number.

231545505454430 is a deficient number, since it is larger than the sum of its proper divisors (189131562401170).

231545505454430 is a wasteful number, since it uses less digits than its factorization.

231545505454430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216397668763.

The product of its (nonzero) digits is 14400000, while the sum is 50.

The spelling of 231545505454430 in words is "two hundred thirty-one trillion, five hundred forty-five billion, five hundred five million, four hundred fifty-four thousand, four hundred thirty".