31010421342 has 32 divisors (see below), whose sum is σ = 62622277632. Its totient is φ = 10236862944.

The previous prime is 31010421271. The next prime is 31010421349. The reversal of 31010421342 is 24312401013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010421349) 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, 387903 + ... + 460965.

It is an arithmetic number, because the mean of its divisors is an integer number (1956946176).

Almost surely, 2^31010421342 is an apocalyptic number.

31010421342 is an abundant number, since it is smaller than the sum of its proper divisors (31611856290).

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

31010421342 is a wasteful number, since it uses less digits than its factorization.

31010421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73752.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31010421342 its reverse (24312401013), we get a palindrome (55322822355).

The spelling of 31010421342 in words is "thirty-one billion, ten million, four hundred twenty-one thousand, three hundred forty-two".