1401213304231 has 8 divisors (see below), whose sum is σ = 1510226786880. Its totient is φ = 1292375227872.

The previous prime is 1401213304207. The next prime is 1401213304237. The reversal of 1401213304231 is 1324033121041.

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 1401213304231 - 2⁵ = 1401213304199 is a prime.

It is a super-2 number, since 2×1401213304231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401213304196 and 1401213304205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401213304237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43834975 + ... + 43866928.

It is an arithmetic number, because the mean of its divisors is an integer number (188778348360).

Almost surely, 2^{1401213304231} is an apocalyptic number.

1401213304231 is a deficient number, since it is larger than the sum of its proper divisors (109013482649).

1401213304231 is a wasteful number, since it uses less digits than its factorization.

1401213304231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87703145.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1401213304231 its reverse (1324033121041), we get a palindrome (2725246425272).

The spelling of 1401213304231 in words is "one trillion, four hundred one billion, two hundred thirteen million, three hundred four thousand, two hundred thirty-one".