31241435130 has 80 divisors (see below), whose sum is σ = 86714648064. Its totient is φ = 8062299360.

The previous prime is 31241435063. The next prime is 31241435131. The reversal of 31241435130 is 3153414213.

It is a happy number.

31241435130 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 143 + 513 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31241435094 and 31241435103.

It is not an unprimeable number, because it can be changed into a prime (31241435131) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 596982 + ... + 647201.

Almost surely, 2^31241435130 is an apocalyptic number.

31241435130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31241435130 is an abundant number, since it is smaller than the sum of its proper divisors (55473212934).

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

31241435130 is a wasteful number, since it uses less digits than its factorization.

31241435130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244233 (or 1244224 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 31241435130 its reverse (3153414213), we get a palindrome (34394849343).

The spelling of 31241435130 in words is "thirty-one billion, two hundred forty-one million, four hundred thirty-five thousand, one hundred thirty".