1201331232319 has 2 divisors, whose sum is σ = 1201331232320. Its totient is φ = 1201331232318.

The previous prime is 1201331232313. The next prime is 1201331232347. The reversal of 1201331232319 is 9132321331021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201331232319 - 2¹³ = 1201331224127 is a prime.

It is a super-2 number, since 2×1201331232319² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201331232313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600665616159 + 600665616160.

It is an arithmetic number, because the mean of its divisors is an integer number (600665616160).

Almost surely, 2^{1201331232319} is an apocalyptic number.

1201331232319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201331232319 is an equidigital number, since it uses as much as digits as its factorization.

1201331232319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 1201331232319 in words is "one trillion, two hundred one billion, three hundred thirty-one million, two hundred thirty-two thousand, three hundred nineteen".