131331315442 has 8 divisors (see below), whose sum is σ = 198548130816. Its totient is φ = 65148605172.

The previous prime is 131331315413. The next prime is 131331315463. The reversal of 131331315442 is 244513133131.

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

It is a super-2 number, since 2×131331315442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258525958 + ... + 258526465.

It is an arithmetic number, because the mean of its divisors is an integer number (24818516352).

Almost surely, 2^131331315442 is an apocalyptic number.

131331315442 is a deficient number, since it is larger than the sum of its proper divisors (67216815374).

131331315442 is a wasteful number, since it uses less digits than its factorization.

131331315442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517052552.

The product of its digits is 12960, while the sum is 31.

Adding to 131331315442 its reverse (244513133131), we get a palindrome (375844448573).

The spelling of 131331315442 in words is "one hundred thirty-one billion, three hundred thirty-one million, three hundred fifteen thousand, four hundred forty-two".