31142000401 has 4 divisors (see below), whose sum is σ = 31154268400. Its totient is φ = 31129732404.

The previous prime is 31142000387. The next prime is 31142000473. The reversal of 31142000401 is 10400024113.

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.

It is a cyclic number.

It is not a de Polignac number, because 31142000401 - 2¹¹ = 31141998353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31142000101) 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, 6130191 + ... + 6135268.

It is an arithmetic number, because the mean of its divisors is an integer number (7788567100).

Almost surely, 2^31142000401 is an apocalyptic number.

It is an amenable number.

31142000401 is a deficient number, since it is larger than the sum of its proper divisors (12267999).

31142000401 is a wasteful number, since it uses less digits than its factorization.

31142000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267998.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31142000401 its reverse (10400024113), we get a palindrome (41542024514).

The spelling of 31142000401 in words is "thirty-one billion, one hundred forty-two million, four hundred one", and thus it is an aban number.