1401442113431 has 8 divisors (see below), whose sum is σ = 1428054274080. Its totient is φ = 1374836243872.

The previous prime is 1401442113419. The next prime is 1401442113473. The reversal of 1401442113431 is 1343112441041.

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 1401442113431 - 2²⁶ = 1401375004567 is a prime.

It is a super-2 number, since 2×1401442113431² (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 = 1401442113394 and 1401442113403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401442113931) 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, 1121795 + ... + 2015268.

It is an arithmetic number, because the mean of its divisors is an integer number (178506784260).

Almost surely, 2^{1401442113431} is an apocalyptic number.

1401442113431 is a deficient number, since it is larger than the sum of its proper divisors (26612160649).

1401442113431 is an equidigital number, since it uses as much as digits as its factorization.

1401442113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145545.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1401442113431 its reverse (1343112441041), we get a palindrome (2744554554472).

The spelling of 1401442113431 in words is "one trillion, four hundred one billion, four hundred forty-two million, one hundred thirteen thousand, four hundred thirty-one".