342020531500 has 48 divisors (see below), whose sum is σ = 747515242656. Its totient is φ = 136708872000.

The previous prime is 342020531483. The next prime is 342020531509. The reversal of 342020531500 is 5135020243.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (342020531509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442839 + ... + 938161.

It is an arithmetic number, because the mean of its divisors is an integer number (15573234222).

Almost surely, 2^342020531500 is an apocalyptic number.

It is an amenable number.

342020531500 is an abundant number, since it is smaller than the sum of its proper divisors (405494711156).

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

342020531500 is a wasteful number, since it uses less digits than its factorization.

342020531500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496723 (or 496711 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 342020531500 its reverse (5135020243), we get a palindrome (347155551743).

The spelling of 342020531500 in words is "three hundred forty-two billion, twenty million, five hundred thirty-one thousand, five hundred".