31421143010 has 64 divisors (see below), whose sum is σ = 62823237120. Its totient is φ = 11260247040.

The previous prime is 31421143007. The next prime is 31421143043. The reversal of 31421143010 is 1034112413.

It is a Curzon 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, 305147 + ... + 394913.

It is an arithmetic number, because the mean of its divisors is an integer number (981613080).

Almost surely, 2^31421143010 is an apocalyptic number.

31421143010 is a deficient number, since it is larger than the sum of its proper divisors (31402094110).

31421143010 is a wasteful number, since it uses less digits than its factorization.

31421143010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89891.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31421143010 its reverse (1034112413), we get a palindrome (32455255423).

The spelling of 31421143010 in words is "thirty-one billion, four hundred twenty-one million, one hundred forty-three thousand, ten".