103532521531 has 8 divisors (see below), whose sum is σ = 104068987904. Its totient is φ = 102996700200.

The previous prime is 103532521507. The next prime is 103532521601. The reversal of 103532521531 is 135125235301.

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 103532521531 - 2⁷ = 103532521403 is a prime.

It is a super-2 number, since 2×103532521531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103532521493 and 103532521502.

It is not an unprimeable number, because it can be changed into a prime (103532521031) 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, 162256 + ... + 483106.

It is an arithmetic number, because the mean of its divisors is an integer number (13008623488).

Almost surely, 2^103532521531 is an apocalyptic number.

103532521531 is a deficient number, since it is larger than the sum of its proper divisors (536466373).

103532521531 is a wasteful number, since it uses less digits than its factorization.

103532521531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322521.

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

Adding to 103532521531 its reverse (135125235301), we get a palindrome (238657756832).

The spelling of 103532521531 in words is "one hundred three billion, five hundred thirty-two million, five hundred twenty-one thousand, five hundred thirty-one".