1031213011010 has 48 divisors (see below), whose sum is σ = 2325328694136. Its totient is φ = 326361917952.

The previous prime is 1031213010907. The next prime is 1031213011021. The reversal of 1031213011010 is 101103121301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 823863013561 + 207349997449 = 907669^2 + 455357^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80936567 + ... + 80949306.

Almost surely, 2^{1031213011010} is an apocalyptic number.

1031213011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031213011010 is an abundant number, since it is smaller than the sum of its proper divisors (1294115683126).

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

1031213011010 is a wasteful number, since it uses less digits than its factorization.

1031213011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161885907 (or 161885900 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1031213011010 its reverse (101103121301), we get a palindrome (1132316132311).

The spelling of 1031213011010 in words is "one trillion, thirty-one billion, two hundred thirteen million, eleven thousand, ten".