31463491470 has 64 divisors (see below), whose sum is σ = 79149256704. Its totient is φ = 7989442560.

The previous prime is 31463491469. The next prime is 31463491487. The reversal of 31463491470 is 7419436413.

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, 51630 + ... + 256110.

It is an arithmetic number, because the mean of its divisors is an integer number (1236707136).

Almost surely, 2^31463491470 is an apocalyptic number.

31463491470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31463491470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39574628352).

31463491470 is an abundant number, since it is smaller than the sum of its proper divisors (47685765234).

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

31463491470 is a wasteful number, since it uses less digits than its factorization.

31463491470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204737.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 31463491470 in words is "thirty-one billion, four hundred sixty-three million, four hundred ninety-one thousand, four hundred seventy".