1400431103 has 4 divisors (see below), whose sum is σ = 1401494160. Its totient is φ = 1399368048.

The previous prime is 1400431091. The next prime is 1400431121. The reversal of 1400431103 is 3011340041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3011340041 = 223 ⋅13503767.

It is a cyclic number.

It is not a de Polignac number, because 1400431103 - 2¹⁶ = 1400365567 is a prime.

It is a super-2 number, since 2×1400431103² = 3922414548499593218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400431163) 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, 529550 + ... + 532187.

It is an arithmetic number, because the mean of its divisors is an integer number (350373540).

Almost surely, 2^1400431103 is an apocalyptic number.

1400431103 is a deficient number, since it is larger than the sum of its proper divisors (1063057).

1400431103 is a wasteful number, since it uses less digits than its factorization.

1400431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063056.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1400431103 is about 37422.3342804802. The cubic root of 1400431103 is about 1118.8037565256.

Adding to 1400431103 its reverse (3011340041), we get a palindrome (4411771144).

The spelling of 1400431103 in words is "one billion, four hundred million, four hundred thirty-one thousand, one hundred three".