1400321354631 has 16 divisors (see below), whose sum is σ = 1932491151360. Its totient is φ = 901011036960.

The previous prime is 1400321354587. The next prime is 1400321354659. The reversal of 1400321354631 is 1364531230041.

It is not a de Polignac number, because 1400321354631 - 2¹¹ = 1400321352583 is a prime.

It is a super-2 number, since 2×1400321354631² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400321354592 and 1400321354601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400321354671) 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 15 ways as a sum of consecutive naturals, for example, 20149251 + ... + 20218628.

It is an arithmetic number, because the mean of its divisors is an integer number (120780696960).

Almost surely, 2^{1400321354631} is an apocalyptic number.

1400321354631 is a deficient number, since it is larger than the sum of its proper divisors (532169796729).

1400321354631 is a wasteful number, since it uses less digits than its factorization.

1400321354631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40368286.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 1400321354631 its reverse (1364531230041), we get a palindrome (2764852584672).

The spelling of 1400321354631 in words is "one trillion, four hundred billion, three hundred twenty-one million, three hundred fifty-four thousand, six hundred thirty-one".