31403242401 has 8 divisors (see below), whose sum is σ = 44333989344. Its totient is φ = 19703995200.

The previous prime is 31403242393. The next prime is 31403242411. The reversal of 31403242401 is 10424230413.

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

It is not a de Polignac number, because 31403242401 - 2³ = 31403242393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31403242411) 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, 307874875 + ... + 307874976.

It is an arithmetic number, because the mean of its divisors is an integer number (5541748668).

Almost surely, 2^31403242401 is an apocalyptic number.

It is an amenable number.

31403242401 is a deficient number, since it is larger than the sum of its proper divisors (12930746943).

31403242401 is a wasteful number, since it uses less digits than its factorization.

31403242401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615749871.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31403242401 its reverse (10424230413), we get a palindrome (41827472814).

The spelling of 31403242401 in words is "thirty-one billion, four hundred three million, two hundred forty-two thousand, four hundred one".