1231141351 has 8 divisors (see below), whose sum is σ = 1343470608. Its totient is φ = 1118880000.

The previous prime is 1231141313. The next prime is 1231141369. The reversal of 1231141351 is 1531411321.

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 1231141351 - 2¹³ = 1231133159 is a prime.

It is a super-2 number, since 2×1231141351² = 3031418052284210402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231141381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25591 + ... + 55831.

It is an arithmetic number, because the mean of its divisors is an integer number (167933826).

Almost surely, 2^1231141351 is an apocalyptic number.

1231141351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1231141351 is a deficient number, since it is larger than the sum of its proper divisors (112329257).

1231141351 is a wasteful number, since it uses less digits than its factorization.

1231141351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33953.

The product of its digits is 360, while the sum is 22.

The square root of 1231141351 is about 35087.6239007431. The cubic root of 1231141351 is about 1071.7725738935.

Adding to 1231141351 its reverse (1531411321), we get a palindrome (2762552672).

The spelling of 1231141351 in words is "one billion, two hundred thirty-one million, one hundred forty-one thousand, three hundred fifty-one".