133431311202 has 32 divisors (see below), whose sum is σ = 306111289344. Its totient is φ = 37982552400.

The previous prime is 133431311183. The next prime is 133431311231. The reversal of 133431311202 is 202113134331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5850124 + ... + 5872887.

It is an arithmetic number, because the mean of its divisors is an integer number (9565977792).

Almost surely, 2^133431311202 is an apocalyptic number.

133431311202 is an abundant number, since it is smaller than the sum of its proper divisors (172679978142).

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

133431311202 is a wasteful number, since it uses less digits than its factorization.

133431311202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723294.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 133431311202 its reverse (202113134331), we get a palindrome (335544445533).

The spelling of 133431311202 in words is "one hundred thirty-three billion, four hundred thirty-one million, three hundred eleven thousand, two hundred two".