31433301242 has 16 divisors (see below), whose sum is σ = 54077429952. Its totient is φ = 13423472160.

The previous prime is 31433301241. The next prime is 31433301247. The reversal of 31433301242 is 24210333413.

It is not an unprimeable number, because it can be changed into a prime (31433301241) 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, 3991148 + ... + 3999015.

It is an arithmetic number, because the mean of its divisors is an integer number (3379839372).

Almost surely, 2^31433301242 is an apocalyptic number.

31433301242 is a deficient number, since it is larger than the sum of its proper divisors (22644128710).

31433301242 is a wasteful number, since it uses less digits than its factorization.

31433301242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990453.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31433301242 its reverse (24210333413), we get a palindrome (55643634655).

The spelling of 31433301242 in words is "thirty-one billion, four hundred thirty-three million, three hundred one thousand, two hundred forty-two".