1210133160531 has 24 divisors (see below), whose sum is σ = 1761193150704. Its totient is φ = 800655609600.

The previous prime is 1210133160493. The next prime is 1210133160547. The reversal of 1210133160531 is 1350613310121.

It is a happy number.

1210133160531 is a `hidden beast` number, since 1 + 2 + 10 + 13 + 3 + 1 + 605 + 31 = 666.

It is not a de Polignac number, because 1210133160531 - 2²³ = 1210124771923 is a prime.

It is a super-2 number, since 2×1210133160531² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210133160495 and 1210133160504.

It is not an unprimeable number, because it can be changed into a prime (1210133160331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4620855 + ... + 4875711.

It is an arithmetic number, because the mean of its divisors is an integer number (73383047946).

Almost surely, 2^{1210133160531} is an apocalyptic number.

1210133160531 is a deficient number, since it is larger than the sum of its proper divisors (551059990173).

1210133160531 is a wasteful number, since it uses less digits than its factorization.

1210133160531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258851 (or 258848 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 1210133160531 its reverse (1350613310121), we get a palindrome (2560746470652).

The spelling of 1210133160531 in words is "one trillion, two hundred ten billion, one hundred thirty-three million, one hundred sixty thousand, five hundred thirty-one".