131415163451 has 24 divisors (see below), whose sum is σ = 160577569152. Its totient is φ = 106721049600.

The previous prime is 131415163423. The next prime is 131415163471. The reversal of 131415163451 is 154361514131.

It is not a de Polignac number, because 131415163451 - 2¹⁴ = 131415147067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131415163421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1298726 + ... + 1396251.

It is an arithmetic number, because the mean of its divisors is an integer number (6690732048).

Almost surely, 2^131415163451 is an apocalyptic number.

131415163451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131415163451 is a deficient number, since it is larger than the sum of its proper divisors (29162405701).

131415163451 is a wasteful number, since it uses less digits than its factorization.

131415163451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695043 (or 2695032 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

Adding to 131415163451 its reverse (154361514131), we get a palindrome (285776677582).

The spelling of 131415163451 in words is "one hundred thirty-one billion, four hundred fifteen million, one hundred sixty-three thousand, four hundred fifty-one".