133031514505 has 4 divisors (see below), whose sum is σ = 159637817412. Its totient is φ = 106425211600.

The previous prime is 133031514479. The next prime is 133031514529. The reversal of 133031514505 is 505415130331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62166944889 + 70864569616 = 249333^2 + 266204^2 .

It is not a de Polignac number, because 133031514505 - 2²³ = 133023125897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13303151446 + ... + 13303151455.

It is an arithmetic number, because the mean of its divisors is an integer number (39909454353).

Almost surely, 2^133031514505 is an apocalyptic number.

It is an amenable number.

133031514505 is a deficient number, since it is larger than the sum of its proper divisors (26606302907).

133031514505 is an equidigital number, since it uses as much as digits as its factorization.

133031514505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26606302906.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 133031514505 its reverse (505415130331), we get a palindrome (638446644836).

The spelling of 133031514505 in words is "one hundred thirty-three billion, thirty-one million, five hundred fourteen thousand, five hundred five".