31430230113044 has 48 divisors (see below), whose sum is σ = 62968605923328. Its totient is φ = 13446941083488.

The previous prime is 31430230113001. The next prime is 31430230113067. The reversal of 31430230113044 is 44031103203413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31430230112998 and 31430230113016.

It is a congruent number.

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, 45445217 + ... + 46131639.

It is an arithmetic number, because the mean of its divisors is an integer number (1311845956736).

Almost surely, 2^{31430230113044} is an apocalyptic number.

It is an amenable number.

31430230113044 is an abundant number, since it is smaller than the sum of its proper divisors (31538375810284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31430230113044 is a wasteful number, since it uses less digits than its factorization.

31430230113044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689244 (or 689242 counting only the distinct ones).

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

Adding to 31430230113044 its reverse (44031103203413), we get a palindrome (75461333316457).

The spelling of 31430230113044 in words is "thirty-one trillion, four hundred thirty billion, two hundred thirty million, one hundred thirteen thousand, forty-four".