1231022331010 has 32 divisors (see below), whose sum is σ = 2221513439040. Its totient is φ = 491148622272.

The previous prime is 1231022330999. The next prime is 1231022331017. The reversal of 1231022331010 is 101332201321.

It is not an unprimeable number, because it can be changed into a prime (1231022331017) 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, 27786897 + ... + 27831163.

It is an arithmetic number, because the mean of its divisors is an integer number (69422294970).

Almost surely, 2^{1231022331010} is an apocalyptic number.

1231022331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231022331010 is a deficient number, since it is larger than the sum of its proper divisors (990491108030).

1231022331010 is a wasteful number, since it uses less digits than its factorization.

1231022331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51330.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1231022331010 its reverse (101332201321), we get a palindrome (1332354532331).

The spelling of 1231022331010 in words is "one trillion, two hundred thirty-one billion, twenty-two million, three hundred thirty-one thousand, ten".