1542324631 has 2 divisors, whose sum is σ = 1542324632. Its totient is φ = 1542324630.

The previous prime is 1542324629. The next prime is 1542324673. The reversal of 1542324631 is 1364232451.

It is a weak prime.

It is an emirp because it is prime and its reverse (1364232451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1542324631 - 2¹ = 1542324629 is a prime.

It is a super-2 number, since 2×1542324631² = 4757530534778572322, which contains 22 as substring.

Together with 1542324629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1542324593 and 1542324602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542324691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771162315 + 771162316.

It is an arithmetic number, because the mean of its divisors is an integer number (771162316).

Almost surely, 2^1542324631 is an apocalyptic number.

1542324631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542324631 is an equidigital number, since it uses as much as digits as its factorization.

1542324631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 1542324631 is about 39272.4411133304. The cubic root of 1542324631 is about 1155.3811154606.

The spelling of 1542324631 in words is "one billion, five hundred forty-two million, three hundred twenty-four thousand, six hundred thirty-one".