131345520023350 has 48 divisors (see below), whose sum is σ = 254342503145088. Its totient is φ = 50418006301440.

The previous prime is 131345520023321. The next prime is 131345520023351. The reversal of 131345520023350 is 53320025543131.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131345520023351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 486149734 + ... + 486419833.

It is an arithmetic number, because the mean of its divisors is an integer number (5298802148856).

Almost surely, 2^{131345520023350} is an apocalyptic number.

131345520023350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131345520023350 is a deficient number, since it is larger than the sum of its proper divisors (122996983121738).

131345520023350 is a wasteful number, since it uses less digits than its factorization.

131345520023350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972569689 (or 972569684 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 131345520023350 its reverse (53320025543131), we get a palindrome (184665545566481).

The spelling of 131345520023350 in words is "one hundred thirty-one trillion, three hundred forty-five billion, five hundred twenty million, twenty-three thousand, three hundred fifty".