1230172643131 has 4 divisors (see below), whose sum is σ = 1230179395192. Its totient is φ = 1230165891072.

The previous prime is 1230172643123. The next prime is 1230172643143. The reversal of 1230172643131 is 1313462710321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230172643131 - 2³ = 1230172643123 is a prime.

It is a super-2 number, since 2×1230172643131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230172644131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3094941 + ... + 3469726.

It is an arithmetic number, because the mean of its divisors is an integer number (307544848798).

Almost surely, 2^{1230172643131} is an apocalyptic number.

1230172643131 is a deficient number, since it is larger than the sum of its proper divisors (6752061).

1230172643131 is an equidigital number, since it uses as much as digits as its factorization.

1230172643131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752060.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 1230172643131 in words is "one trillion, two hundred thirty billion, one hundred seventy-two million, six hundred forty-three thousand, one hundred thirty-one".