31434420330 has 32 divisors (see below), whose sum is σ = 83825121600. Its totient is φ = 8382512016.

The previous prime is 31434420313. The next prime is 31434420383. The reversal of 31434420330 is 3302443413.

31434420330 is a `hidden beast` number, since 314 + 344 + 2 + 0 + 3 + 3 + 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 = 31434420294 and 31434420303.

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, 58211620 + ... + 58212159.

It is an arithmetic number, because the mean of its divisors is an integer number (2619535050).

Almost surely, 2^31434420330 is an apocalyptic number.

31434420330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31434420330 is an abundant number, since it is smaller than the sum of its proper divisors (52390701270).

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

31434420330 is a wasteful number, since it uses less digits than its factorization.

31434420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116423795 (or 116423789 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31434420330 its reverse (3302443413), we get a palindrome (34736863743).

The spelling of 31434420330 in words is "thirty-one billion, four hundred thirty-four million, four hundred twenty thousand, three hundred thirty".