131001133522 has 16 divisors (see below), whose sum is σ = 226189010880. Its totient is φ = 55739433168.

The previous prime is 131001133507. The next prime is 131001133547. The reversal of 131001133522 is 225331100131.

It is a super-2 number, since 2×131001133522² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131001133493 and 131001133502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33657133 + ... + 33661024.

It is an arithmetic number, because the mean of its divisors is an integer number (14136813180).

Almost surely, 2^131001133522 is an apocalyptic number.

131001133522 is a deficient number, since it is larger than the sum of its proper divisors (95187877358).

131001133522 is a wasteful number, since it uses less digits than its factorization.

131001133522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67318305.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 131001133522 its reverse (225331100131), we get a palindrome (356332233653).

The spelling of 131001133522 in words is "one hundred thirty-one billion, one million, one hundred thirty-three thousand, five hundred twenty-two".