31230001140102 has 48 divisors (see below), whose sum is σ = 69998948126640. Its totient is φ = 10050938686656.

The previous prime is 31230001140017. The next prime is 31230001140109. The reversal of 31230001140102 is 20104110003213.

31230001140102 is a `hidden beast` number, since 31 + 230 + 0 + 0 + 1 + 1 + 401 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230001140109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71608233 + ... + 72043035.

It is an arithmetic number, because the mean of its divisors is an integer number (1458311419305).

Almost surely, 2^{31230001140102} is an apocalyptic number.

31230001140102 is an abundant number, since it is smaller than the sum of its proper divisors (38768946986538).

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

31230001140102 is a wasteful number, since it uses less digits than its factorization.

31230001140102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572437 (or 572434 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31230001140102 its reverse (20104110003213), we get a palindrome (51334111143315).

The spelling of 31230001140102 in words is "thirty-one trillion, two hundred thirty billion, one million, one hundred forty thousand, one hundred two".