31411230224 has 30 divisors (see below), whose sum is σ = 66894891630. Its totient is φ = 14277831040.

The previous prime is 31411230197. The next prime is 31411230229. The reversal of 31411230224 is 42203211413.

It can be written as a sum of positive squares in only one way, i.e., 31411181824 + 48400 = 177232^2 + 220^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31411230224.

It is not an unprimeable number, because it can be changed into a prime (31411230229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8110469 + ... + 8114340.

It is an arithmetic number, because the mean of its divisors is an integer number (2229829721).

Almost surely, 2^31411230224 is an apocalyptic number.

It is an amenable number.

31411230224 is an abundant number, since it is smaller than the sum of its proper divisors (35483661406).

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

31411230224 is a wasteful number, since it uses less digits than its factorization.

31411230224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16224839 (or 16224822 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31411230224 its reverse (42203211413), we get a palindrome (73614441637).

The spelling of 31411230224 in words is "thirty-one billion, four hundred eleven million, two hundred thirty thousand, two hundred twenty-four".