743131401 has 16 divisors (see below), whose sum is σ = 1043619840. Its totient is φ = 469063440.

The previous prime is 743131393. The next prime is 743131423. The reversal of 743131401 is 104131347.

It is not a de Polignac number, because 743131401 - 2³ = 743131393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (743131001) 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, 133096 + ... + 138566.

It is an arithmetic number, because the mean of its divisors is an integer number (65226240).

Almost surely, 2^743131401 is an apocalyptic number.

It is an amenable number.

743131401 is a deficient number, since it is larger than the sum of its proper divisors (300488439).

743131401 is a wasteful number, since it uses less digits than its factorization.

743131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 743131401 is about 27260.4365518970. The cubic root of 743131401 is about 905.7782144528.

Adding to 743131401 its reverse (104131347), we get a palindrome (847262748).

The spelling of 743131401 in words is "seven hundred forty-three million, one hundred thirty-one thousand, four hundred one".