133031543430 has 64 divisors (see below), whose sum is σ = 323735652288. Its totient is φ = 34979788800.

The previous prime is 133031543327. The next prime is 133031543461. The reversal of 133031543430 is 34345130331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12909280 + ... + 12919580.

It is an arithmetic number, because the mean of its divisors is an integer number (5058369567).

Almost surely, 2^133031543430 is an apocalyptic number.

133031543430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133031543430 is an abundant number, since it is smaller than the sum of its proper divisors (190704108858).

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

133031543430 is a wasteful number, since it uses less digits than its factorization.

133031543430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16281.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 133031543430 its reverse (34345130331), we get a palindrome (167376673761).

The spelling of 133031543430 in words is "one hundred thirty-three billion, thirty-one million, five hundred forty-three thousand, four hundred thirty".