31411421404142 has 16 divisors (see below), whose sum is σ = 50798991843600. Its totient is φ = 14481160549632.

The previous prime is 31411421404057. The next prime is 31411421404157. The reversal of 31411421404142 is 24140412411413.

It is a junction number, because it is equal to n+sod(n) for n = 31411421404099 and 31411421404108.

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, 684083267 + ... + 684129182.

It is an arithmetic number, because the mean of its divisors is an integer number (3174936990225).

Almost surely, 2^{31411421404142} is an apocalyptic number.

31411421404142 is a deficient number, since it is larger than the sum of its proper divisors (19387570439458).

31411421404142 is a wasteful number, since it uses less digits than its factorization.

31411421404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368213347.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 31411421404142 its reverse (24140412411413), we get a palindrome (55551833815555).

The spelling of 31411421404142 in words is "thirty-one trillion, four hundred eleven billion, four hundred twenty-one million, four hundred four thousand, one hundred forty-two".