1031866113802 has 16 divisors (see below), whose sum is σ = 1623453534720. Its totient is φ = 491308303248.

The previous prime is 1031866113731. The next prime is 1031866113809. The reversal of 1031866113802 is 2083116681301.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1031866113809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148338402 + ... + 148345357.

It is an arithmetic number, because the mean of its divisors is an integer number (101465845920).

Almost surely, 2^{1031866113802} is an apocalyptic number.

1031866113802 is a deficient number, since it is larger than the sum of its proper divisors (591587420918).

1031866113802 is a wasteful number, since it uses less digits than its factorization.

1031866113802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296683845.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 1031866113802 in words is "one trillion, thirty-one billion, eight hundred sixty-six million, one hundred thirteen thousand, eight hundred two".