22401031431 has 8 divisors (see below), whose sum is σ = 29891399680. Its totient is φ = 14922342072.

The previous prime is 22401031423. The next prime is 22401031439. The reversal of 22401031431 is 13413010422.

It is an interprime number because it is at equal distance from previous prime (22401031423) and next prime (22401031439).

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

It is not a de Polignac number, because 22401031431 - 2³ = 22401031423 is a prime.

It is a super-2 number, since 2×22401031431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22401031398 and 22401031407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401031439) 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, 2915245 + ... + 2922918.

It is an arithmetic number, because the mean of its divisors is an integer number (3736424960).

Almost surely, 2^22401031431 is an apocalyptic number.

22401031431 is a deficient number, since it is larger than the sum of its proper divisors (7490368249).

22401031431 is a wasteful number, since it uses less digits than its factorization.

22401031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839445.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22401031431 its reverse (13413010422), we get a palindrome (35814041853).

The spelling of 22401031431 in words is "twenty-two billion, four hundred one million, thirty-one thousand, four hundred thirty-one".