312432560742 has 64 divisors (see below), whose sum is σ = 671978156544. Its totient is φ = 96488071680.

The previous prime is 312432560663. The next prime is 312432560743. The reversal of 312432560742 is 247065234213.

It is a super-2 number, since 2×312432560742² (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 312432560742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312432560743) 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, 4695993 + ... + 4762059.

It is an arithmetic number, because the mean of its divisors is an integer number (10499658696).

Almost surely, 2^312432560742 is an apocalyptic number.

312432560742 is an abundant number, since it is smaller than the sum of its proper divisors (359545595802).

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

312432560742 is a wasteful number, since it uses less digits than its factorization.

312432560742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66813.

The product of its (nonzero) digits is 241920, while the sum is 39.

Adding to 312432560742 its reverse (247065234213), we get a palindrome (559497794955).

The spelling of 312432560742 in words is "three hundred twelve billion, four hundred thirty-two million, five hundred sixty thousand, seven hundred forty-two".