331402021434100 has 36 divisors (see below), whose sum is σ = 719286996959244. Its totient is φ = 132534152270080.

The previous prime is 331402021434089. The next prime is 331402021434101. The reversal of 331402021434100 is 1434120204133.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 21695734305424 + 309706287128676 = 4657868^2 + 17598474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331402021434101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332704009 + ... + 333698608.

It is an arithmetic number, because the mean of its divisors is an integer number (19980194359979).

Almost surely, 2^{331402021434100} is an apocalyptic number.

It is an amenable number.

331402021434100 is an abundant number, since it is smaller than the sum of its proper divisors (387884975525144).

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

331402021434100 is a wasteful number, since it uses less digits than its factorization.

331402021434100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666407604 (or 666407597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 331402021434100 its reverse (1434120204133), we get a palindrome (332836141638233).

The spelling of 331402021434100 in words is "three hundred thirty-one trillion, four hundred two billion, twenty-one million, four hundred thirty-four thousand, one hundred".