1531020220141 has 8 divisors (see below), whose sum is σ = 1546209715968. Its totient is φ = 1515831330000.

The previous prime is 1531020220091. The next prime is 1531020220187. The reversal of 1531020220141 is 1410220201351.

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 1531020220141 - 2⁷ = 1531020220013 is a prime.

It is a super-2 number, since 2×1531020220141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531020224141) 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, 6274696 + ... + 6514126.

It is an arithmetic number, because the mean of its divisors is an integer number (193276214496).

Almost surely, 2^{1531020220141} is an apocalyptic number.

It is an amenable number.

1531020220141 is a deficient number, since it is larger than the sum of its proper divisors (15189495827).

1531020220141 is a wasteful number, since it uses less digits than its factorization.

1531020220141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302843.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1531020220141 its reverse (1410220201351), we get a palindrome (2941240421492).

The spelling of 1531020220141 in words is "one trillion, five hundred thirty-one billion, twenty million, two hundred twenty thousand, one hundred forty-one".