31432112413431 has 4 divisors (see below), whose sum is σ = 41909483217912. Its totient is φ = 20954741608952.

The previous prime is 31432112413367. The next prime is 31432112413523. The reversal of 31432112413431 is 13431421123413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31432112413431 - 2⁶ = 31432112413367 is a prime.

It is a super-2 number, since 2×31432112413431² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31432112413392 and 31432112413401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31432112413931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5238685402236 + ... + 5238685402241.

It is an arithmetic number, because the mean of its divisors is an integer number (10477370804478).

Almost surely, 2^{31432112413431} is an apocalyptic number.

31432112413431 is a deficient number, since it is larger than the sum of its proper divisors (10477370804481).

31432112413431 is a wasteful number, since it uses less digits than its factorization.

31432112413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477370804480.

The product of its digits is 20736, while the sum is 33.

Adding to 31432112413431 its reverse (13431421123413), we get a palindrome (44863533536844).

The spelling of 31432112413431 in words is "thirty-one trillion, four hundred thirty-two billion, one hundred twelve million, four hundred thirteen thousand, four hundred thirty-one".