1231471350870 has 32 divisors (see below), whose sum is σ = 2978803150848. Its totient is φ = 325806592608.

The previous prime is 1231471350793. The next prime is 1231471350877. The reversal of 1231471350870 is 780531741321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231471350877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161606604 + ... + 161614223.

It is an arithmetic number, because the mean of its divisors is an integer number (93087598464).

Almost surely, 2^{1231471350870} is an apocalyptic number.

1231471350870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231471350870 is an abundant number, since it is smaller than the sum of its proper divisors (1747331799978).

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

1231471350870 is a wasteful number, since it uses less digits than its factorization.

1231471350870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323220964.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 1231471350870 in words is "one trillion, two hundred thirty-one billion, four hundred seventy-one million, three hundred fifty thousand, eight hundred seventy".