31140124401 has 16 divisors (see below), whose sum is σ = 42327624384. Its totient is φ = 20356799424.

The previous prime is 31140124399. The next prime is 31140124403. The reversal of 31140124401 is 10442104113.

It is an interprime number because it is at equal distance from previous prime (31140124399) and next prime (31140124403).

It is not a de Polignac number, because 31140124401 - 2¹ = 31140124399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31140124403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229335 + ... + 338931.

It is an arithmetic number, because the mean of its divisors is an integer number (2645476524).

Almost surely, 2^31140124401 is an apocalyptic number.

It is an amenable number.

31140124401 is a deficient number, since it is larger than the sum of its proper divisors (11187499983).

31140124401 is a wasteful number, since it uses less digits than its factorization.

31140124401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111440.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31140124401 its reverse (10442104113), we get a palindrome (41582228514).

The spelling of 31140124401 in words is "thirty-one billion, one hundred forty million, one hundred twenty-four thousand, four hundred one".