1231349411 has 8 divisors (see below), whose sum is σ = 1256189040. Its totient is φ = 1206642208.

The previous prime is 1231349407. The next prime is 1231349461. The reversal of 1231349411 is 1149431321.

It is a happy number.

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 1231349411 - 2² = 1231349407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231349461) 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, 14216 + ... + 51621.

It is an arithmetic number, because the mean of its divisors is an integer number (157023630).

Almost surely, 2^1231349411 is an apocalyptic number.

1231349411 is a deficient number, since it is larger than the sum of its proper divisors (24839629).

1231349411 is an equidigital number, since it uses as much as digits as its factorization.

1231349411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66213.

The product of its digits is 2592, while the sum is 29.

The square root of 1231349411 is about 35090.5886385509. The cubic root of 1231349411 is about 1071.8329461762.

The spelling of 1231349411 in words is "one billion, two hundred thirty-one million, three hundred forty-nine thousand, four hundred eleven".