19130531314 has 4 divisors (see below), whose sum is σ = 28695796974. Its totient is φ = 9565265656.

The previous prime is 19130531291. The next prime is 19130531317. The reversal of 19130531314 is 41313503191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41313503191 = 1429 ⋅28910779.

It can be written as a sum of positive squares in only one way, i.e., 16932515625 + 2198015689 = 130125^2 + 46883^2 .

It is not an unprimeable number, because it can be changed into a prime (19130531317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4782632827 + ... + 4782632830.

Almost surely, 2^19130531314 is an apocalyptic number.

19130531314 is a deficient number, since it is larger than the sum of its proper divisors (9565265660).

19130531314 is an equidigital number, since it uses as much as digits as its factorization.

19130531314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565265659.

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 19130531314 in words is "nineteen billion, one hundred thirty million, five hundred thirty-one thousand, three hundred fourteen".