43131103401 has 16 divisors (see below), whose sum is σ = 57729116160. Its totient is φ = 28643765760.

The previous prime is 43131103399. The next prime is 43131103403. The reversal of 43131103401 is 10430113134.

It is an interprime number because it is at equal distance from previous prime (43131103399) and next prime (43131103403).

It is not a de Polignac number, because 43131103401 - 2¹ = 43131103399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43131103403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929881 + ... + 975161.

It is an arithmetic number, because the mean of its divisors is an integer number (3608069760).

Almost surely, 2^43131103401 is an apocalyptic number.

It is an amenable number.

43131103401 is a deficient number, since it is larger than the sum of its proper divisors (14598012759).

43131103401 is a wasteful number, since it uses less digits than its factorization.

43131103401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46496.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 43131103401 its reverse (10430113134), we get a palindrome (53561216535).

The spelling of 43131103401 in words is "forty-three billion, one hundred thirty-one million, one hundred three thousand, four hundred one".