31415717450145 has 32 divisors (see below), whose sum is σ = 57446617888512. Its totient is φ = 14361287196672.

The previous prime is 31415717450087. The next prime is 31415717450177. The reversal of 31415717450145 is 54105471751413.

It is not a de Polignac number, because 31415717450145 - 2⁶ = 31415717450081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31415717450094 and 31415717450103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6513709 + ... + 10259621.

It is an arithmetic number, because the mean of its divisors is an integer number (1795206809016).

Almost surely, 2^{31415717450145} is an apocalyptic number.

31415717450145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31415717450145 is a deficient number, since it is larger than the sum of its proper divisors (26030900438367).

31415717450145 is a wasteful number, since it uses less digits than its factorization.

31415717450145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825801.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 31415717450145 in words is "thirty-one trillion, four hundred fifteen billion, seven hundred seventeen million, four hundred fifty thousand, one hundred forty-five".