31032145144011 has 16 divisors (see below), whose sum is σ = 45811362169728. Its totient is φ = 18526653816000.

The previous prime is 31032145144003. The next prime is 31032145144019. The reversal of 31032145144011 is 11044154123013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31032145144003) and next prime (31032145144019).

It is not a de Polignac number, because 31032145144011 - 2³ = 31032145144003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31032145144011.

It is not an unprimeable number, because it can be changed into a prime (31032145144019) 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, 7017669690 + ... + 7017674111.

It is an arithmetic number, because the mean of its divisors is an integer number (2863210135608).

Almost surely, 2^{31032145144011} is an apocalyptic number.

31032145144011 is a deficient number, since it is larger than the sum of its proper divisors (14779217025717).

31032145144011 is a wasteful number, since it uses less digits than its factorization.

31032145144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035343882.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 31032145144011 its reverse (11044154123013), we get a palindrome (42076299267024).

The spelling of 31032145144011 in words is "thirty-one trillion, thirty-two billion, one hundred forty-five million, one hundred forty-four thousand, eleven".