31032434401 has 4 divisors (see below), whose sum is σ = 32033480704. Its totient is φ = 30031388100.

The previous prime is 31032434383. The next prime is 31032434429. The reversal of 31032434401 is 10443423013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10443423013 = 251 ⋅41607263.

It is a cyclic number.

It is not a de Polignac number, because 31032434401 - 2¹³ = 31032426209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31032434441) 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, 500523105 + ... + 500523166.

It is an arithmetic number, because the mean of its divisors is an integer number (8008370176).

Almost surely, 2^31032434401 is an apocalyptic number.

31032434401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31032434401 is a deficient number, since it is larger than the sum of its proper divisors (1001046303).

31032434401 is a wasteful number, since it uses less digits than its factorization.

31032434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001046302.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31032434401 its reverse (10443423013), we get a palindrome (41475857414).

The spelling of 31032434401 in words is "thirty-one billion, thirty-two million, four hundred thirty-four thousand, four hundred one".