43131400340330 has 32 divisors (see below), whose sum is σ = 82205935181136. Its totient is φ = 16237197896704.

The previous prime is 43131400340297. The next prime is 43131400340467. The reversal of 43131400340330 is 3304300413134.

It can be written as a sum of positive squares in 8 ways, for example, as 27592359582649 + 15539040757681 = 5252843^2 + 3941959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43131400340293 and 43131400340302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545152 + ... + 9415428.

Almost surely, 2^{43131400340330} is an apocalyptic number.

43131400340330 is a deficient number, since it is larger than the sum of its proper divisors (39074534840806).

43131400340330 is a wasteful number, since it uses less digits than its factorization.

43131400340330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902538.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 43131400340330 its reverse (3304300413134), we get a palindrome (46435700753464).

The spelling of 43131400340330 in words is "forty-three trillion, one hundred thirty-one billion, four hundred million, three hundred forty thousand, three hundred thirty".