731453400121 has 8 divisors (see below), whose sum is σ = 740730009600. Its totient is φ = 722177233440.

The previous prime is 731453400113. The next prime is 731453400137. The reversal of 731453400121 is 121004354137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 731453400121 - 2³ = 731453400113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731453400151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4342056 + ... + 4507366.

It is an arithmetic number, because the mean of its divisors is an integer number (92591251200).

Almost surely, 2^731453400121 is an apocalyptic number.

It is an amenable number.

731453400121 is a deficient number, since it is larger than the sum of its proper divisors (9276609479).

731453400121 is a wasteful number, since it uses less digits than its factorization.

731453400121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221399.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 731453400121 its reverse (121004354137), we get a palindrome (852457754258).

The spelling of 731453400121 in words is "seven hundred thirty-one billion, four hundred fifty-three million, four hundred thousand, one hundred twenty-one".