31430133021404 has 24 divisors (see below), whose sum is σ = 59327585055648. Its totient is φ = 14483225977920.

The previous prime is 31430133021403. The next prime is 31430133021437. The reversal of 31430133021404 is 40412033103413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430133021403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478909847 + ... + 478975470.

It is an arithmetic number, because the mean of its divisors is an integer number (2471982710652).

Almost surely, 2^{31430133021404} is an apocalyptic number.

It is an amenable number.

31430133021404 is a deficient number, since it is larger than the sum of its proper divisors (27897452034244).

31430133021404 is a wasteful number, since it uses less digits than its factorization.

31430133021404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957885965 (or 957885963 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31430133021404 its reverse (40412033103413), we get a palindrome (71842166124817).

The spelling of 31430133021404 in words is "thirty-one trillion, four hundred thirty billion, one hundred thirty-three million, twenty-one thousand, four hundred four".