4351431213020 has 12 divisors (see below), whose sum is σ = 9138005547384. Its totient is φ = 1740572485200.

The previous prime is 4351431213007. The next prime is 4351431213109. The reversal of 4351431213020 is 203121341534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108785780306 + ... + 108785780345.

It is an arithmetic number, because the mean of its divisors is an integer number (761500462282).

Almost surely, 2^{4351431213020} is an apocalyptic number.

It is an amenable number.

4351431213020 is an abundant number, since it is smaller than the sum of its proper divisors (4786574334364).

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

4351431213020 is a wasteful number, since it uses less digits than its factorization.

4351431213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217571560660 (or 217571560658 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 4351431213020 its reverse (203121341534), we get a palindrome (4554552554554).

The spelling of 4351431213020 in words is "four trillion, three hundred fifty-one billion, four hundred thirty-one million, two hundred thirteen thousand, twenty".