31424212421342 has 16 divisors (see below), whose sum is σ = 50762292548352. Its totient is φ = 14503453155360.

The previous prime is 31424212421339. The next prime is 31424212421351. The reversal of 31424212421342 is 24312421242413.

It is a super-2 number, since 2×31424212421342² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 16774403 + ... + 18553409.

It is an arithmetic number, because the mean of its divisors is an integer number (3172643284272).

Almost surely, 2^{31424212421342} is an apocalyptic number.

31424212421342 is a deficient number, since it is larger than the sum of its proper divisors (19338080127010).

31424212421342 is a wasteful number, since it uses less digits than its factorization.

31424212421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458403.

The product of its digits is 73728, while the sum is 35.

Adding to 31424212421342 its reverse (24312421242413), we get a palindrome (55736633663755).

The spelling of 31424212421342 in words is "thirty-one trillion, four hundred twenty-four billion, two hundred twelve million, four hundred twenty-one thousand, three hundred forty-two".