1031012020229 has 2 divisors, whose sum is σ = 1031012020230. Its totient is φ = 1031012020228.

The previous prime is 1031012020219. The next prime is 1031012020231. The reversal of 1031012020229 is 9220202101301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 629645424004 + 401366596225 = 793502^2 + 633535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031012020229 is a prime.

Together with 1031012020231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031012020219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515506010114 + 515506010115.

It is an arithmetic number, because the mean of its divisors is an integer number (515506010115).

Almost surely, 2^{1031012020229} is an apocalyptic number.

It is an amenable number.

1031012020229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031012020229 is an equidigital number, since it uses as much as digits as its factorization.

1031012020229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 1031012020229 in words is "one trillion, thirty-one billion, twelve million, twenty thousand, two hundred twenty-nine".