43131242102 has 32 divisors (see below), whose sum is σ = 71639243424. Its totient is φ = 19346342400.

The previous prime is 43131242051. The next prime is 43131242107. The reversal of 43131242102 is 20124213134.

It is a super-2 number, since 2×43131242102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43131242107) 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, 822077 + ... + 872967.

It is an arithmetic number, because the mean of its divisors is an integer number (2238726357).

Almost surely, 2^43131242102 is an apocalyptic number.

43131242102 is a deficient number, since it is larger than the sum of its proper divisors (28508001322).

43131242102 is a wasteful number, since it uses less digits than its factorization.

43131242102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51824.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 43131242102 its reverse (20124213134), we get a palindrome (63255455236).

The spelling of 43131242102 in words is "forty-three billion, one hundred thirty-one million, two hundred forty-two thousand, one hundred two".