531742400112 has 160 divisors (see below), whose sum is σ = 1754396711424. Its totient is φ = 134746214400.

The previous prime is 531742400093. The next prime is 531742400113. The reversal of 531742400112 is 211004247135.

It is a super-2 number, since 2×531742400112² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 531742400112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531742400113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1602973 + ... + 1906044.

Almost surely, 2^531742400112 is an apocalyptic number.

It is an amenable number.

531742400112 is an abundant number, since it is smaller than the sum of its proper divisors (1222654311312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531742400112 is a wasteful number, since it uses less digits than its factorization.

531742400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509087 (or 3509081 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

Adding to 531742400112 its reverse (211004247135), we get a palindrome (742746647247).

The spelling of 531742400112 in words is "five hundred thirty-one billion, seven hundred forty-two million, four hundred thousand, one hundred twelve".