31242254054102 has 64 divisors (see below), whose sum is σ = 58137455738880. Its totient is φ = 12261137567616.

The previous prime is 31242254054083. The next prime is 31242254054113. The reversal of 31242254054102 is 20145045224213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281866049 + ... + 281976867.

It is an arithmetic number, because the mean of its divisors is an integer number (908397745920).

Almost surely, 2^{31242254054102} is an apocalyptic number.

31242254054102 is a deficient number, since it is larger than the sum of its proper divisors (26895201684778).

31242254054102 is a wasteful number, since it uses less digits than its factorization.

31242254054102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123165.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 31242254054102 its reverse (20145045224213), we get a palindrome (51387299278315).

The spelling of 31242254054102 in words is "thirty-one trillion, two hundred forty-two billion, two hundred fifty-four million, fifty-four thousand, one hundred two".