1231041471 has 8 divisors (see below), whose sum is σ = 1790605824. Its totient is φ = 746085720.

The previous prime is 1231041457. The next prime is 1231041473. The reversal of 1231041471 is 1741401321.

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

It is not a de Polignac number, because 1231041471 - 2¹⁴ = 1231025087 is a prime.

It is a super-3 number, since 3×1231041471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231041473) 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, 18652111 + ... + 18652176.

It is an arithmetic number, because the mean of its divisors is an integer number (223825728).

Almost surely, 2^1231041471 is an apocalyptic number.

1231041471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1231041471 is a deficient number, since it is larger than the sum of its proper divisors (559564353).

1231041471 is a wasteful number, since it uses less digits than its factorization.

1231041471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37304301.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1231041471 is about 35086.2005780050. The cubic root of 1231041471 is about 1071.7435895315.

Adding to 1231041471 its reverse (1741401321), we get a palindrome (2972442792).

The spelling of 1231041471 in words is "one billion, two hundred thirty-one million, forty-one thousand, four hundred seventy-one".