542731931197 has 8 divisors (see below), whose sum is σ = 557915446080. Its totient is φ = 527757844320.

The previous prime is 542731931179. The next prime is 542731931207. The reversal of 542731931197 is 791139137245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542731931197 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 (542731931167) 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, 52351747 + ... + 52362112.

It is an arithmetic number, because the mean of its divisors is an integer number (69739430760).

Almost surely, 2^542731931197 is an apocalyptic number.

It is an amenable number.

542731931197 is a deficient number, since it is larger than the sum of its proper divisors (15183514883).

542731931197 is a wasteful number, since it uses less digits than its factorization.

542731931197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104714003.

The product of its digits is 1428840, while the sum is 52.

The spelling of 542731931197 in words is "five hundred forty-two billion, seven hundred thirty-one million, nine hundred thirty-one thousand, one hundred ninety-seven".