425545343142231 has 32 divisors (see below), whose sum is σ = 618514513912512. Its totient is φ = 258682441881600.

The previous prime is 425545343142203. The next prime is 425545343142277. The reversal of 425545343142231 is 132241343545524.

It is not a de Polignac number, because 425545343142231 - 2¹⁹ = 425545342617943 is a prime.

It is a super-2 number, since 2×425545343142231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425545343142281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123044820 + ... + 126455993.

It is an arithmetic number, because the mean of its divisors is an integer number (19328578559766).

Almost surely, 2^{425545343142231} is an apocalyptic number.

425545343142231 is a deficient number, since it is larger than the sum of its proper divisors (192969170770281).

425545343142231 is a wasteful number, since it uses less digits than its factorization.

425545343142231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249501363.

The product of its digits is 6912000, while the sum is 48.

Adding to 425545343142231 its reverse (132241343545524), we get a palindrome (557786686687755).

The spelling of 425545343142231 in words is "four hundred twenty-five trillion, five hundred forty-five billion, three hundred forty-three million, one hundred forty-two thousand, two hundred thirty-one".