31400411426 has 16 divisors (see below), whose sum is σ = 47289044160. Its totient is φ = 15637430160.

The previous prime is 31400411377. The next prime is 31400411437. The reversal of 31400411426 is 62411400413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31400411395 and 31400411404.

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, 2776355 + ... + 2787641.

It is an arithmetic number, because the mean of its divisors is an integer number (2955565260).

Almost surely, 2^31400411426 is an apocalyptic number.

31400411426 is a deficient number, since it is larger than the sum of its proper divisors (15888632734).

31400411426 is a wasteful number, since it uses less digits than its factorization.

31400411426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16729.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31400411426 its reverse (62411400413), we get a palindrome (93811811839).

The spelling of 31400411426 in words is "thirty-one billion, four hundred million, four hundred eleven thousand, four hundred twenty-six".