70231019 has 8 divisors (see below), whose sum is σ = 71912448. Its totient is φ = 68557480.

The previous prime is 70231013. The next prime is 70231039. The reversal of 70231019 is 91013207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70231019 is a prime.

It is a super-2 number, since 2×70231019² = 9864792059556722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70230985 and 70231003.

It is not an unprimeable number, because it can be changed into a prime (70231013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18524 + ... + 21990.

It is an arithmetic number, because the mean of its divisors is an integer number (8989056).

Almost surely, 2^70231019 is an apocalyptic number.

70231019 is a deficient number, since it is larger than the sum of its proper divisors (1681429).

70231019 is a wasteful number, since it uses less digits than its factorization.

70231019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 70231019 is about 8380.3949190954. The cubic root of 70231019 is about 412.5814108066.

The spelling of 70231019 in words is "seventy million, two hundred thirty-one thousand, nineteen".