131612610 has 16 divisors (see below), whose sum is σ = 315870336. Its totient is φ = 35096688.

The previous prime is 131612609. The next prime is 131612617. The reversal of 131612610 is 16216131.

It is a super-3 number, since 3×131612610³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (131612617) 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, 2193514 + ... + 2193573.

It is an arithmetic number, because the mean of its divisors is an integer number (19741896).

Almost surely, 2^131612610 is an apocalyptic number.

131612610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131612610 is an abundant number, since it is smaller than the sum of its proper divisors (184257726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131612610 is a wasteful number, since it uses less digits than its factorization.

131612610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387097.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 131612610 is about 11472.2539197840. The cubic root of 131612610 is about 508.6657550359.

Adding to 131612610 its reverse (16216131), we get a palindrome (147828741).

The spelling of 131612610 in words is "one hundred thirty-one million, six hundred twelve thousand, six hundred ten".