131377225502 has 8 divisors (see below), whose sum is σ = 201648764856. Its totient is φ = 64160970552.

The previous prime is 131377225453. The next prime is 131377225543. The reversal of 131377225502 is 205522773131.

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

It is a congruent number.

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, 763820993 + ... + 763821164.

It is an arithmetic number, because the mean of its divisors is an integer number (25206095607).

Almost surely, 2^131377225502 is an apocalyptic number.

131377225502 is a deficient number, since it is larger than the sum of its proper divisors (70271539354).

131377225502 is a wasteful number, since it uses less digits than its factorization.

131377225502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527642202.

The product of its (nonzero) digits is 88200, while the sum is 38.

Adding to 131377225502 its reverse (205522773131), we get a palindrome (336899998633).

The spelling of 131377225502 in words is "one hundred thirty-one billion, three hundred seventy-seven million, two hundred twenty-five thousand, five hundred two".