1400243044231 has 4 divisors (see below), whose sum is σ = 1400253214864. Its totient is φ = 1400232873600.

The previous prime is 1400243044223. The next prime is 1400243044243. The reversal of 1400243044231 is 1324403420041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400243044231 - 2³ = 1400243044223 is a prime.

It is a super-2 number, since 2×1400243044231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400243044231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400243044201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4875930 + ... + 5155111.

It is an arithmetic number, because the mean of its divisors is an integer number (350063303716).

Almost surely, 2^{1400243044231} is an apocalyptic number.

1400243044231 is a deficient number, since it is larger than the sum of its proper divisors (10170633).

1400243044231 is a wasteful number, since it uses less digits than its factorization.

1400243044231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170632.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1400243044231 its reverse (1324403420041), we get a palindrome (2724646464272).

The spelling of 1400243044231 in words is "one trillion, four hundred billion, two hundred forty-three million, forty-four thousand, two hundred thirty-one".