2131223010 has 64 divisors (see below), whose sum is σ = 6099812352. Its totient is φ = 465955776.

The previous prime is 2131222997. The next prime is 2131223047. The reversal of 2131223010 is 103221312.

It is a super-2 number, since 2×2131223010² = 9084223036706920200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 215794 + ... + 225453.

It is an arithmetic number, because the mean of its divisors is an integer number (95309568).

Almost surely, 2^2131223010 is an apocalyptic number.

2131223010 is an abundant number, since it is smaller than the sum of its proper divisors (3968589342).

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

2131223010 is a wasteful number, since it uses less digits than its factorization.

2131223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441287.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131223010 is about 46165.1709625341. The cubic root of 2131223010 is about 1286.8945613522.

Adding to 2131223010 its reverse (103221312), we get a palindrome (2234444322).

The spelling of 2131223010 in words is "two billion, one hundred thirty-one million, two hundred twenty-three thousand, ten".