1031212213030 has 64 divisors (see below), whose sum is σ = 1944879621120. Its totient is φ = 392924036736.

The previous prime is 1031212213013. The next prime is 1031212213033. The reversal of 1031212213030 is 303122121301.

It is a junction number, because it is equal to n+sod(n) for n = 1031212212989 and 1031212213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031212213033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144040591 + ... + 144047749.

It is an arithmetic number, because the mean of its divisors is an integer number (30388744080).

Almost surely, 2^{1031212213030} is an apocalyptic number.

1031212213030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031212213030 is a deficient number, since it is larger than the sum of its proper divisors (913667408090).

1031212213030 is a wasteful number, since it uses less digits than its factorization.

1031212213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031212213030 its reverse (303122121301), we get a palindrome (1334334334331).

The spelling of 1031212213030 in words is "one trillion, thirty-one billion, two hundred twelve million, two hundred thirteen thousand, thirty".