20131011425 has 24 divisors (see below), whose sum is σ = 28633857792. Its totient is φ = 13753152000.

The previous prime is 20131011413. The next prime is 20131011437. The reversal of 20131011425 is 52411013102.

It is an interprime number because it is at equal distance from previous prime (20131011413) and next prime (20131011437).

It is not a de Polignac number, because 20131011425 - 2⁴ = 20131011409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20131011397 and 20131011406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164816 + ... + 259665.

It is an arithmetic number, because the mean of its divisors is an integer number (1193077408).

Almost surely, 2^20131011425 is an apocalyptic number.

20131011425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20131011425 is a deficient number, since it is larger than the sum of its proper divisors (8502846367).

20131011425 is a wasteful number, since it uses less digits than its factorization.

20131011425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424769 (or 424764 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20131011425 its reverse (52411013102), we get a palindrome (72542024527).

The spelling of 20131011425 in words is "twenty billion, one hundred thirty-one million, eleven thousand, four hundred twenty-five".