42880029131 has 4 divisors (see below), whose sum is σ = 43396656072. Its totient is φ = 42363402192.

The previous prime is 42880029121. The next prime is 42880029133. The reversal of 42880029131 is 13192008824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42880029131 is a prime.

It is a super-2 number, since 2×42880029131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42880029133) 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, 258313346 + ... + 258313511.

It is an arithmetic number, because the mean of its divisors is an integer number (10849164018).

Almost surely, 2^42880029131 is an apocalyptic number.

42880029131 is a deficient number, since it is larger than the sum of its proper divisors (516626941).

42880029131 is an equidigital number, since it uses as much as digits as its factorization.

42880029131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516626940.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 42880029131 in words is "forty-two billion, eight hundred eighty million, twenty-nine thousand, one hundred thirty-one".