83551531322531 has 8 divisors (see below), whose sum is σ = 83563481050560. Its totient is φ = 83539582097832.

The previous prime is 83551531322491. The next prime is 83551531322579. The reversal of 83551531322531 is 13522313515538.

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

It is a cyclic number.

It is not a de Polignac number, because 83551531322531 - 2⁴⁶ = 13182787144867 is a prime.

It is a super-2 number, since 2×83551531322531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83551531322731) 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, 436061156 + ... + 436252718.

It is an arithmetic number, because the mean of its divisors is an integer number (10445435131320).

Almost surely, 2^{83551531322531} is an apocalyptic number.

83551531322531 is a deficient number, since it is larger than the sum of its proper divisors (11949728029).

83551531322531 is a wasteful number, since it uses less digits than its factorization.

83551531322531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251665.

The product of its digits is 1620000, while the sum is 47.

The spelling of 83551531322531 in words is "eighty-three trillion, five hundred fifty-one billion, five hundred thirty-one million, three hundred twenty-two thousand, five hundred thirty-one".