427145513731 has 8 divisors (see below), whose sum is σ = 436205485328. Its totient is φ = 418151916000.

The previous prime is 427145513719. The next prime is 427145513741. The reversal of 427145513731 is 137315541724.

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 427145513731 - 2⁷ = 427145513603 is a prime.

It is a super-2 number, since 2×427145513731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427145513741) 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, 16580460 + ... + 16606201.

It is an arithmetic number, because the mean of its divisors is an integer number (54525685666).

Almost surely, 2^427145513731 is an apocalyptic number.

427145513731 is a deficient number, since it is larger than the sum of its proper divisors (9059971597).

427145513731 is a wasteful number, since it uses less digits than its factorization.

427145513731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33186933.

The product of its digits is 352800, while the sum is 43.

The spelling of 427145513731 in words is "four hundred twenty-seven billion, one hundred forty-five million, five hundred thirteen thousand, seven hundred thirty-one".