131550352442 has 8 divisors (see below), whose sum is σ = 208932912756. Its totient is φ = 61906048192.

The previous prime is 131550352399. The next prime is 131550352471. The reversal of 131550352442 is 244253055131.

It can be written as a sum of positive squares in 2 ways, for example, as 106936194121 + 24614158321 = 327011^2 + 156889^2 .

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

It is a super-2 number, since 2×131550352442² (a number of 23 digits) contains 22 as substring.

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, 1934563973 + ... + 1934564040.

Almost surely, 2^131550352442 is an apocalyptic number.

131550352442 is a deficient number, since it is larger than the sum of its proper divisors (77382560314).

131550352442 is a wasteful number, since it uses less digits than its factorization.

131550352442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869128032.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 131550352442 in words is "one hundred thirty-one billion, five hundred fifty million, three hundred fifty-two thousand, four hundred forty-two".