1231830487806 has 16 divisors (see below), whose sum is σ = 2463687560448. Its totient is φ = 410605731800.

The previous prime is 1231830487777. The next prime is 1231830487829. The reversal of 1231830487806 is 6087840381321.

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, 477780 + ... + 1640711.

It is an arithmetic number, because the mean of its divisors is an integer number (153980472528).

Almost surely, 2^{1231830487806} is an apocalyptic number.

1231830487806 is an abundant number, since it is smaller than the sum of its proper divisors (1231857072642).

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

1231830487806 is a wasteful number, since it uses less digits than its factorization.

1231830487806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215407.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 1231830487806 in words is "one trillion, two hundred thirty-one billion, eight hundred thirty million, four hundred eighty-seven thousand, eight hundred six".