1401431443031 has 2 divisors, whose sum is σ = 1401431443032. Its totient is φ = 1401431443030.

The previous prime is 1401431442997. The next prime is 1401431443039. The reversal of 1401431443031 is 1303441341041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401431443031 is a prime.

It is a super-3 number, since 3×1401431443031³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1401431442985 and 1401431443003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401431443039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700715721515 + 700715721516.

It is an arithmetic number, because the mean of its divisors is an integer number (700715721516).

Almost surely, 2^{1401431443031} is an apocalyptic number.

1401431443031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401431443031 is an equidigital number, since it uses as much as digits as its factorization.

1401431443031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1401431443031 its reverse (1303441341041), we get a palindrome (2704872784072).

The spelling of 1401431443031 in words is "one trillion, four hundred one billion, four hundred thirty-one million, four hundred forty-three thousand, thirty-one".