31413242125 has 16 divisors (see below), whose sum is σ = 39209592240. Its totient is φ = 25126833600.

The previous prime is 31413242087. The next prime is 31413242171. The reversal of 31413242125 is 52124231413.

It can be written as a sum of positive squares in 8 ways, for example, as 7464441609 + 23948800516 = 86397^2 + 154754^2 .

It is not a de Polignac number, because 31413242125 - 2¹¹ = 31413240077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31413242093 and 31413242102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072171 + ... + 1101079.

It is an arithmetic number, because the mean of its divisors is an integer number (2450599515).

Almost surely, 2^31413242125 is an apocalyptic number.

It is an amenable number.

31413242125 is a deficient number, since it is larger than the sum of its proper divisors (7796350115).

31413242125 is an equidigital number, since it uses as much as digits as its factorization.

31413242125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37617 (or 37607 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

Adding to 31413242125 its reverse (52124231413), we get a palindrome (83537473538).

The spelling of 31413242125 in words is "thirty-one billion, four hundred thirteen million, two hundred forty-two thousand, one hundred twenty-five".