31242040201140 has 24 divisors (see below), whose sum is σ = 87477712563360. Its totient is φ = 8331210720288.

The previous prime is 31242040201081. The next prime is 31242040201147. The reversal of 31242040201140 is 4110204024213.

It is a self number, because there is not a number n which added to its sum of digits gives 31242040201140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31242040201147) 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, 260350334950 + ... + 260350335069.

It is an arithmetic number, because the mean of its divisors is an integer number (3644904690140).

Almost surely, 2^{31242040201140} is an apocalyptic number.

31242040201140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31242040201140 is an abundant number, since it is smaller than the sum of its proper divisors (56235672362220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31242040201140 is a wasteful number, since it uses less digits than its factorization.

31242040201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520700670031 (or 520700670029 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31242040201140 its reverse (4110204024213), we get a palindrome (35352244225353).

The spelling of 31242040201140 in words is "thirty-one trillion, two hundred forty-two billion, forty million, two hundred one thousand, one hundred forty".