31450212030 has 64 divisors (see below), whose sum is σ = 78888479040. Its totient is φ = 8014024704.

The previous prime is 31450211999. The next prime is 31450212071. The reversal of 31450212030 is 3021205413.

It is a junction number, because it is equal to n+sod(n) for n = 31450211988 and 31450212006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101949 + ... + 270728.

It is an arithmetic number, because the mean of its divisors is an integer number (1232632485).

Almost surely, 2^31450212030 is an apocalyptic number.

31450212030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31450212030 is an abundant number, since it is smaller than the sum of its proper divisors (47438267010).

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

31450212030 is a wasteful number, since it uses less digits than its factorization.

31450212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372813.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 31450212030 its reverse (3021205413), we get a palindrome (34471417443).

The spelling of 31450212030 in words is "thirty-one billion, four hundred fifty million, two hundred twelve thousand, thirty".