781301041442131 has 8 divisors (see below), whose sum is σ = 892962130325760. Its totient is φ = 669651616156488.

The previous prime is 781301041442111. The next prime is 781301041442177. The reversal of 781301041442131 is 131244140103187.

It is a happy number.

781301041442131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 781301041442131 - 2⁷ = 781301041442003 is a prime.

It is a super-2 number, since 2×781301041442131² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (781301041442111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2915755951 + ... + 2916023896.

It is an arithmetic number, because the mean of its divisors is an integer number (111620266290720).

Almost surely, 2^{781301041442131} is an apocalyptic number.

781301041442131 is a deficient number, since it is larger than the sum of its proper divisors (111661088883629).

781301041442131 is a wasteful number, since it uses less digits than its factorization.

781301041442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831798993.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 781301041442131 in words is "seven hundred eighty-one trillion, three hundred one billion, forty-one million, four hundred forty-two thousand, one hundred thirty-one".