31403132043 has 8 divisors (see below), whose sum is σ = 42444416208. Its totient is φ = 20648634624.

The previous prime is 31403131979. The next prime is 31403132083. The reversal of 31403132043 is 34023130413.

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

It is not a de Polignac number, because 31403132043 - 2⁶ = 31403131979 is a prime.

It is a super-2 number, since 2×31403132043² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31403132083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71696430 + ... + 71696867.

It is an arithmetic number, because the mean of its divisors is an integer number (5305552026).

Almost surely, 2^31403132043 is an apocalyptic number.

31403132043 is a deficient number, since it is larger than the sum of its proper divisors (11041284165).

31403132043 is a wasteful number, since it uses less digits than its factorization.

31403132043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143393373.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31403132043 its reverse (34023130413), we get a palindrome (65426262456).

The spelling of 31403132043 in words is "thirty-one billion, four hundred three million, one hundred thirty-two thousand, forty-three".