131034405345 has 8 divisors (see below), whose sum is σ = 209655048576. Its totient is φ = 69885016176.

The previous prime is 131034405277. The next prime is 131034405347. The reversal of 131034405345 is 543504430131.

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

It is not a de Polignac number, because 131034405345 - 2¹² = 131034401249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131034405347) 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, 4367813497 + ... + 4367813526.

It is an arithmetic number, because the mean of its divisors is an integer number (26206881072).

Almost surely, 2^131034405345 is an apocalyptic number.

131034405345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131034405345 is a deficient number, since it is larger than the sum of its proper divisors (78620643231).

131034405345 is an equidigital number, since it uses as much as digits as its factorization.

131034405345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735627031.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 131034405345 its reverse (543504430131), we get a palindrome (674538835476).

The spelling of 131034405345 in words is "one hundred thirty-one billion, thirty-four million, four hundred five thousand, three hundred forty-five".