31432253320425 has 48 divisors (see below), whose sum is σ = 51990310407168. Its totient is φ = 16756670913600.

The previous prime is 31432253320423. The next prime is 31432253320463. The reversal of 31432253320425 is 52402335223413.

It is not a de Polignac number, because 31432253320425 - 2¹ = 31432253320423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31432253320423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2856692974 + ... + 2856703976.

It is an arithmetic number, because the mean of its divisors is an integer number (1083131466816).

Almost surely, 2^{31432253320425} is an apocalyptic number.

It is an amenable number.

31432253320425 is a deficient number, since it is larger than the sum of its proper divisors (20558057086743).

31432253320425 is a wasteful number, since it uses less digits than its factorization.

31432253320425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23910 (or 23905 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 31432253320425 its reverse (52402335223413), we get a palindrome (83834588543838).

The spelling of 31432253320425 in words is "thirty-one trillion, four hundred thirty-two billion, two hundred fifty-three million, three hundred twenty thousand, four hundred twenty-five".