425031431 has 8 divisors (see below), whose sum is σ = 463914000. Its totient is φ = 386189440.

The previous prime is 425031419. The next prime is 425031443. The reversal of 425031431 is 134130524.

It is an interprime number because it is at equal distance from previous prime (425031419) and next prime (425031443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425031431 - 2²⁶ = 357922567 is a prime.

It is a super-2 number, since 2×425031431² = 361303434675815522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425031397 and 425031406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425031401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14345 + ... + 32493.

It is an arithmetic number, because the mean of its divisors is an integer number (57989250).

Almost surely, 2^425031431 is an apocalyptic number.

425031431 is a deficient number, since it is larger than the sum of its proper divisors (38882569).

425031431 is a wasteful number, since it uses less digits than its factorization.

425031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20289.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 425031431 is about 20616.2904277176. The cubic root of 425031431 is about 751.8658320083.

Adding to 425031431 its reverse (134130524), we get a palindrome (559161955).

It can be divided in two parts, 42503 and 1431, that added together give a palindrome (43934).

The spelling of 425031431 in words is "four hundred twenty-five million, thirty-one thousand, four hundred thirty-one".