31141120242 has 16 divisors (see below), whose sum is σ = 62359047072. Its totient is φ = 10367572320.

The previous prime is 31141120229. The next prime is 31141120333. The reversal of 31141120242 is 24202114113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3195003 + ... + 3204734.

It is an arithmetic number, because the mean of its divisors is an integer number (3897440442).

Almost surely, 2^31141120242 is an apocalyptic number.

31141120242 is an abundant number, since it is smaller than the sum of its proper divisors (31217926830).

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

31141120242 is a wasteful number, since it uses less digits than its factorization.

31141120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400553.

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

Adding to 31141120242 its reverse (24202114113), we get a palindrome (55343234355).

The spelling of 31141120242 in words is "thirty-one billion, one hundred forty-one million, one hundred twenty thousand, two hundred forty-two".