31433422401 has 12 divisors (see below), whose sum is σ = 45761344512. Its totient is φ = 20790609336.

The previous prime is 31433422379. The next prime is 31433422411. The reversal of 31433422401 is 10422433413.

31433422401 is a `hidden beast` number, since 3 + 1 + 433 + 4 + 224 + 0 + 1 = 666.

It is not a de Polignac number, because 31433422401 - 2²² = 31429228097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31433422411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13749261 + ... + 13751546.

It is an arithmetic number, because the mean of its divisors is an integer number (3813445376).

Almost surely, 2^31433422401 is an apocalyptic number.

It is an amenable number.

31433422401 is a deficient number, since it is larger than the sum of its proper divisors (14327922111).

31433422401 is a wasteful number, since it uses less digits than its factorization.

31433422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27500940 (or 27500937 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31433422401 its reverse (10422433413), we get a palindrome (41855855814).

The spelling of 31433422401 in words is "thirty-one billion, four hundred thirty-three million, four hundred twenty-two thousand, four hundred one".