542131721351 has 8 divisors (see below), whose sum is σ = 605841214608. Its totient is φ = 480826360000.

The previous prime is 542131721281. The next prime is 542131721363. The reversal of 542131721351 is 153127131245.

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 542131721351 - 2²⁶ = 542064612487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542131721851) 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, 601032500 + ... + 601033401.

It is an arithmetic number, because the mean of its divisors is an integer number (75730151826).

Almost surely, 2^542131721351 is an apocalyptic number.

542131721351 is a deficient number, since it is larger than the sum of its proper divisors (63709493257).

542131721351 is a wasteful number, since it uses less digits than its factorization.

542131721351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202065953.

The product of its digits is 25200, while the sum is 35.

Adding to 542131721351 its reverse (153127131245), we get a palindrome (695258852596).

The spelling of 542131721351 in words is "five hundred forty-two billion, one hundred thirty-one million, seven hundred twenty-one thousand, three hundred fifty-one".