1310201191 has 8 divisors (see below), whose sum is σ = 1449121184. Its totient is φ = 1176729120.

The previous prime is 1310201171. The next prime is 1310201201. The reversal of 1310201191 is 1911020131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310201191 - 2⁹ = 1310200679 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 (1310201131) 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, 1361475 + ... + 1362436.

It is an arithmetic number, because the mean of its divisors is an integer number (181140148).

Almost surely, 2^1310201191 is an apocalyptic number.

1310201191 is a deficient number, since it is larger than the sum of its proper divisors (138919993).

1310201191 is a wasteful number, since it uses less digits than its factorization.

1310201191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723961.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1310201191 is about 36196.7013828608. The cubic root of 1310201191 is about 1094.2401937658.

The spelling of 1310201191 in words is "one billion, three hundred ten million, two hundred one thousand, one hundred ninety-one".