31411250000 has 160 divisors (see below), whose sum is σ = 81968149536. Its totient is φ = 11592000000.

The previous prime is 31411249997. The next prime is 31411250023. The reversal of 31411250000 is 5211413.

It can be written as a sum of positive squares in 16 ways, for example, as 9395812624 + 22015437376 = 96932^2 + 148376^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16249034 + ... + 16250966.

Almost surely, 2^31411250000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31411250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40984074768).

31411250000 is an abundant number, since it is smaller than the sum of its proper divisors (50556899536).

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

31411250000 is an frugal number, since it uses more digits than its factorization.

31411250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 31411250000 its reverse (5211413), we get a palindrome (31416461413).

The spelling of 31411250000 in words is "thirty-one billion, four hundred eleven million, two hundred fifty thousand".