311431003401 has 8 divisors (see below), whose sum is σ = 474561529024. Its totient is φ = 177960573360.

The previous prime is 311431003399. The next prime is 311431003409. The reversal of 311431003401 is 104300134113.

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

It is not a de Polignac number, because 311431003401 - 2¹ = 311431003399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 14830047781 = 311431003401 / (3 + 1 + 1 + 4 + 3 + 1 + 0 + 0 + 3 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311431003409) 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, 7415023870 + ... + 7415023911.

It is an arithmetic number, because the mean of its divisors is an integer number (59320191128).

Almost surely, 2^311431003401 is an apocalyptic number.

It is an amenable number.

311431003401 is a deficient number, since it is larger than the sum of its proper divisors (163130525623).

311431003401 is a wasteful number, since it uses less digits than its factorization.

311431003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14830047791.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 311431003401 its reverse (104300134113), we get a palindrome (415731137514).

The spelling of 311431003401 in words is "three hundred eleven billion, four hundred thirty-one million, three thousand, four hundred one".