31401134241442 has 32 divisors (see below), whose sum is σ = 55144071440640. Its totient is φ = 13129247397120.

The previous prime is 31401134241391. The next prime is 31401134241469. The reversal of 31401134241442 is 24414243110413.

It is a super-2 number, since 2×31401134241442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31401134241398 and 31401134241407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62249934 + ... + 62752342.

It is an arithmetic number, because the mean of its divisors is an integer number (1723252232520).

Almost surely, 2^{31401134241442} is an apocalyptic number.

31401134241442 is a deficient number, since it is larger than the sum of its proper divisors (23742937199198).

31401134241442 is a wasteful number, since it uses less digits than its factorization.

31401134241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611346.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 31401134241442 its reverse (24414243110413), we get a palindrome (55815377351855).

The spelling of 31401134241442 in words is "thirty-one trillion, four hundred one billion, one hundred thirty-four million, two hundred forty-one thousand, four hundred forty-two".