1531030546042 has 16 divisors (see below), whose sum is σ = 2303514520992. Its totient is φ = 763195052880.

The previous prime is 1531030546037. The next prime is 1531030546049. The reversal of 1531030546042 is 2406450301351.

It is a junction number, because it is equal to n+sod(n) for n = 1531030545989 and 1531030546007.

It is not an unprimeable number, because it can be changed into a prime (1531030546049) 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, 474568 + ... + 1813084.

It is an arithmetic number, because the mean of its divisors is an integer number (143969657562).

Almost surely, 2^{1531030546042} is an apocalyptic number.

1531030546042 is a deficient number, since it is larger than the sum of its proper divisors (772483974950).

1531030546042 is a wasteful number, since it uses less digits than its factorization.

1531030546042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340253.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 1531030546042 its reverse (2406450301351), we get a palindrome (3937480847393).

The spelling of 1531030546042 in words is "one trillion, five hundred thirty-one billion, thirty million, five hundred forty-six thousand, forty-two".