1911303023242 has 16 divisors (see below), whose sum is σ = 2961459695592. Its totient is φ = 924448386240.

The previous prime is 1911303023159. The next prime is 1911303023339. The reversal of 1911303023242 is 2423203031191.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1851365701201 + 59937322041 = 1360649^2 + 244821^2 .

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, 74635809 + ... + 74661412.

Almost surely, 2^{1911303023242} is an apocalyptic number.

1911303023242 is a deficient number, since it is larger than the sum of its proper divisors (1050156672350).

1911303023242 is a wasteful number, since it uses less digits than its factorization.

1911303023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149297433.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 1911303023242 in words is "one trillion, nine hundred eleven billion, three hundred three million, twenty-three thousand, two hundred forty-two".