1400234403031 has 4 divisors (see below), whose sum is σ = 1400246738512. Its totient is φ = 1400222067552.

The previous prime is 1400234402993. The next prime is 1400234403059. The reversal of 1400234403031 is 1303044320041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400234403031 is a prime.

It is a super-2 number, since 2×1400234403031² (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 = 1400234402987 and 1400234403005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400234403731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5995875 + ... + 6225028.

It is an arithmetic number, because the mean of its divisors is an integer number (350061684628).

Almost surely, 2^{1400234403031} is an apocalyptic number.

1400234403031 is a deficient number, since it is larger than the sum of its proper divisors (12335481).

1400234403031 is a wasteful number, since it uses less digits than its factorization.

1400234403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335480.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1400234403031 its reverse (1303044320041), we get a palindrome (2703278723072).

The spelling of 1400234403031 in words is "one trillion, four hundred billion, two hundred thirty-four million, four hundred three thousand, thirty-one".