1401431103 has 12 divisors (see below), whose sum is σ = 2071366440. Its totient is φ = 912559536.

The previous prime is 1401431099. The next prime is 1401431107. The reversal of 1401431103 is 3011341041.

It is an interprime number because it is at equal distance from previous prime (1401431099) and next prime (1401431107).

It is not a de Polignac number, because 1401431103 - 2² = 1401431099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401431107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1810248 + ... + 1811021.

It is an arithmetic number, because the mean of its divisors is an integer number (172613870).

Almost surely, 2^1401431103 is an apocalyptic number.

1401431103 is a deficient number, since it is larger than the sum of its proper divisors (669935337).

1401431103 is a wasteful number, since it uses less digits than its factorization.

1401431103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621318 (or 3621315 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1401431103 is about 37435.6929012941. The cubic root of 1401431103 is about 1119.0699930104.

Adding to 1401431103 its reverse (3011341041), we get a palindrome (4412772144).

It can be divided in two parts, 140143 and 1103, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 1401431103 in words is "one billion, four hundred one million, four hundred thirty-one thousand, one hundred three".