31423303340262 has 72 divisors (see below), whose sum is σ = 70048465403904. Its totient is φ = 10177025537952.

The previous prime is 31423303340243. The next prime is 31423303340347. The reversal of 31423303340262 is 26204330332413.

31423303340262 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 3 + 303 + 340 + 2 + 6 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8568603 + ... + 11673369.

It is an arithmetic number, because the mean of its divisors is an integer number (972895352832).

Almost surely, 2^{31423303340262} is an apocalyptic number.

31423303340262 is an abundant number, since it is smaller than the sum of its proper divisors (38625162063642).

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

31423303340262 is a wasteful number, since it uses less digits than its factorization.

31423303340262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105034 (or 3104928 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 31423303340262 its reverse (26204330332413), we get a palindrome (57627633672675).

The spelling of 31423303340262 in words is "thirty-one trillion, four hundred twenty-three billion, three hundred three million, three hundred forty thousand, two hundred sixty-two".