31422020102 has 16 divisors (see below), whose sum is σ = 51715070352. Its totient is φ = 14200175520.

The previous prime is 31422020039. The next prime is 31422020111. The reversal of 31422020102 is 20102022413.

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, 4124153 + ... + 4131764.

It is an arithmetic number, because the mean of its divisors is an integer number (3232191897).

Almost surely, 2^31422020102 is an apocalyptic number.

31422020102 is a deficient number, since it is larger than the sum of its proper divisors (20293050250).

31422020102 is a wasteful number, since it uses less digits than its factorization.

31422020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256103.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 31422020102 its reverse (20102022413), we get a palindrome (51524042515).

The spelling of 31422020102 in words is "thirty-one billion, four hundred twenty-two million, twenty thousand, one hundred two".