31435123401425 has 24 divisors (see below), whose sum is σ = 39454479460032. Its totient is φ = 24843534840000.

The previous prime is 31435123401419. The next prime is 31435123401433. The reversal of 31435123401425 is 52410432153413.

It is not a de Polignac number, because 31435123401425 - 2¹⁸ = 31435123139281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22319999 + ... + 23686548.

It is an arithmetic number, because the mean of its divisors is an integer number (1643936644168).

Almost surely, 2^{31435123401425} is an apocalyptic number.

It is an amenable number.

31435123401425 is a deficient number, since it is larger than the sum of its proper divisors (8019356058607).

31435123401425 is a wasteful number, since it uses less digits than its factorization.

31435123401425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46006889 (or 46006884 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 31435123401425 its reverse (52410432153413), we get a palindrome (83845555554838).

The spelling of 31435123401425 in words is "thirty-one trillion, four hundred thirty-five billion, one hundred twenty-three million, four hundred one thousand, four hundred twenty-five".