1231302030432 has 24 divisors (see below), whose sum is σ = 3232167830136. Its totient is φ = 410434010112.

The previous prime is 1231302030419. The next prime is 1231302030433. The reversal of 1231302030432 is 2340302031321.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1231302030432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231302030433) 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, 6413031313 + ... + 6413031504.

It is an arithmetic number, because the mean of its divisors is an integer number (134673659589).

Almost surely, 2^{1231302030432} is an apocalyptic number.

1231302030432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231302030432 is an abundant number, since it is smaller than the sum of its proper divisors (2000865799704).

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

1231302030432 is a wasteful number, since it uses less digits than its factorization.

1231302030432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12826062830 (or 12826062822 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1231302030432 its reverse (2340302031321), we get a palindrome (3571604061753).

The spelling of 1231302030432 in words is "one trillion, two hundred thirty-one billion, three hundred two million, thirty thousand, four hundred thirty-two".