391303109102 has 16 divisors (see below), whose sum is σ = 601170612480. Its totient is φ = 190936898808.

The previous prime is 391303109077. The next prime is 391303109117. The reversal of 391303109102 is 201901303193.

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, 5965652 + ... + 6030887.

It is an arithmetic number, because the mean of its divisors is an integer number (37573163280).

Almost surely, 2^391303109102 is an apocalyptic number.

391303109102 is a deficient number, since it is larger than the sum of its proper divisors (209867503378).

391303109102 is a wasteful number, since it uses less digits than its factorization.

391303109102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11996935.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 391303109102 in words is "three hundred ninety-one billion, three hundred three million, one hundred nine thousand, one hundred two".