531403011234 has 24 divisors (see below), whose sum is σ = 1167589717632. Its totient is φ = 174639486840.

The previous prime is 531403011197. The next prime is 531403011257. The reversal of 531403011234 is 432110304135.

It is a happy number.

531403011234 is a `hidden beast` number, since 5 + 314 + 0 + 301 + 12 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 531403011198 and 531403011207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207902874 + ... + 207905429.

It is an arithmetic number, because the mean of its divisors is an integer number (48649571568).

Almost surely, 2^531403011234 is an apocalyptic number.

531403011234 is an abundant number, since it is smaller than the sum of its proper divisors (636186706398).

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

531403011234 is a wasteful number, since it uses less digits than its factorization.

531403011234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415808382 (or 415808379 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 531403011234 its reverse (432110304135), we get a palindrome (963513315369).

The spelling of 531403011234 in words is "five hundred thirty-one billion, four hundred three million, eleven thousand, two hundred thirty-four".