1961346101 has 16 divisors (see below), whose sum is σ = 2305618560. Its totient is φ = 1644899520.

The previous prime is 1961346077. The next prime is 1961346113. The reversal of 1961346101 is 1016431691.

It is a de Polignac number, because none of the positive numbers 2^k-1961346101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961346181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330680 + ... + 336558.

It is an arithmetic number, because the mean of its divisors is an integer number (144101160).

Almost surely, 2^1961346101 is an apocalyptic number.

1961346101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1961346101 is a deficient number, since it is larger than the sum of its proper divisors (344272459).

1961346101 is a wasteful number, since it uses less digits than its factorization.

1961346101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1961346101 is about 44287.0872941538. The cubic root of 1961346101 is about 1251.7513798688.

Adding to 1961346101 its reverse (1016431691), we get a palindrome (2977777792).

The spelling of 1961346101 in words is "one billion, nine hundred sixty-one million, three hundred forty-six thousand, one hundred one".